Statewide opinion polling for the Republican Party presidential primaries, 2012

Republican presidential primaries, 2012

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Leading Republican 2012 primary candidate by state (parentheses indicate a shared lead, italics indicates polling data, non-italics indicates a primary win). Stars indicate a completed primary. States in gray have no polling data or no relevant data due to a leading candidate having withdrawn or declined to enter the race. Polls from states with black and grey stripes are from 2011.

Mitt Romney

36+5

Rick Santorum

Newt Gingrich

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Mitt Romney
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This article contains opinion polling by U.S. state for the 2012 Republican Party presidential primaries.

As of May 2012, both Ron Paul and Mitt Romney have led polls in multiple states. They have both also reached at least 20 percent in polls in multiple states. Before announcing that they would not run, Mike Huckabee and Sarah Palin were also leading polls in multiple states with numbers above 20 percent. Michele Bachmann, Herman Cain, Rick Perry, and Rick Santorum were also able to lead polls in multiple states earlier in the race, but Cain suspended his campaign on December 3 after multiple allegations of sexual impropriety,^[1] Bachmann dropped out on January 4, one day after her poor showing in the Iowa caucuses, in which she came in sixth place and received just 5 percent of the vote,^[2] Perry dropped out on January 19 after finishing fifth in Iowa with just over 10 percent of the vote, finishing sixth in New Hampshire with less than 1 percent of the vote and with "lagging" poll numbers ahead of the South Carolina primary,^[3] and Santorum suspended his campaign on April 10.^[4] Newt Gingrich announced he would drop out of the race after a poor showing in the northeast on April 24.^[5]

Haley Barbour of Mississippi, Jeb Bush of Florida, Chris Christie of New Jersey, Jim DeMint of South Carolina, Bobby Jindal of Louisiana, Tim Pawlenty of Minnesota, Paul Ryan of Wisconsin and John Thune of South Dakota all succeeded in leading polls in their home states at some point in 2011, although only Pawlenty actually launched a campaign. Pawlenty exited the race on August 14, one day after finishing third in Iowa's Ames Straw Poll, citing a lack of campaign funds.^[6]^[7]

Polling for upcoming primaries

Texas (May 29)

Primary date: May 29, 2012
Delegates: 155

Poll source	Date	1^st	2^nd	3^rd	Other
University of Texas/Texas Tribune Margin of error: ±5.91% Sample size: 275	May 2012	Mitt Romney 63%	Ron Paul 14%	Rick Santorum 10%	Newt Gingrich 9%, Michele Bachmann 3%, Jon Huntsman 1%, Other 1%
Public Policy Polling Margin of error: ±4.9% Sample size: 400	Apr. 19–22, 2012	Mitt Romney 45%	Newt Gingrich 35%	Ron Paul 14%	Someone else/Not sure 6%
Wilson Perkins Allen Opinion Research Margin of error: ±3.6% Sample size: 750	Mar. 11–13, 2012	Rick Santorum 35%	Mitt Romney 27%	Newt Gingrich 20%	Ron Paul 8%, Undecided 10%
Rasmussen Reports Margin of error: ±4% Sample size: 750	Mar. 12, 2012	Mitt Romney 32%	Rick Santorum 30%	Newt Gingrich 19%	Ron Paul 9%, Some other candidate 3%, Undecided 7%
Rasmussen Reports Margin of error: ±4% Sample size: 750	Mar. 12, 2012	Rick Santorum 45%	Mitt Romney 43%	–	–
University of Texas/Texas Tribune Margin of error: ±5.68% Sample size: 298	Feb. 8–15, 2012	Rick Santorum 48%	Newt Gingrich 17%	Mitt Romney 16%	Ron Paul 14%, Another Republican candidate 6%
Public Policy Polling Margin of error: ±4.2% Sample size: 559	Jan. 12–15, 2012	Mitt Romney 24%	Newt Gingrich 23%	Rick Perry 18%	Rick Santorum 15%, Ron Paul 12%, Buddy Roemer 0%, Undecided 9%
		Mitt Romney 43%	Newt Gingrich 42%		Not sure 15%
		Mitt Romney 64%	Ron Paul 25%		Not sure 11%
		Mitt Romney 46%	Rick Perry 45%		Not sure 9%
		Rick Santorum 45%	Mitt Romney 42%		Not sure 13%
University of Texas/Texas Tribune Margin of error: ±4.93% Sample size: 395	Oct. 19–26, 2011	Herman Cain 27%	Rick Perry 26%	Ron Paul 12%	Mitt Romney 9%, Newt Gingrich 8%, Michele Bachmann 2%, Gary Johnson 1%, Jon Huntsman 1%, Rick Santorum 1%, Another Republican candidate 1%, Don't know 11%
Azimuth Margin of error: ±3% Sample size: 844	Oct. 12–17, 2011	Herman Cain 33%	Ron Paul 19%	Rick Perry 18%	Mitt Romney 7%, Newt Gingrich 5%, Jon Huntsman 3%, Gary Johnson 3%, Michele Bachmann 1%, Buddy Roemer 1%, Rick Santorum 1%, Fred Karger 0%, undecided 7%
Public Policy Polling Margin of error: ±4.9% Sample size: 400	Sep. 15–18, 2011	Rick Perry 49%	Mitt Romney 10%	Newt Gingrich 8%	Michele Bachmann 7%, Herman Cain 7%, Ron Paul 7%, Rick Santorum 3%, Jon Huntsman 2%, Gary Johnson 0%, someone else/not sure 7%
	Sep. 15–18, 2011	Rick Perry 72%	Mitt Romney 18%	–	not sure 10%
Public Policy Polling Margin of error: ±4.9% Sample size: 400	Jun. 25–27, 2011	Mitt Romney 17%	Michele Bachmann 16%	Sarah Palin 14%	Newt Gingrich 11%, Ron Paul 10%, Herman Cain 8%, Tim Pawlenty 6%, Jon Huntsman 5%, someone else/not sure 13%
		Mitt Romney 21%	Michele Bachmann 19%	Newt Gingrich 13%	Ron Paul 12%, Herman Cain 10%, Tim Pawlenty 7%, Jon Huntsman 5%, someone else/not sure 13%
		Rick Perry 31%	Mitt Romney 15%	Michele Bachmann 11%	Sarah Palin 9%, Ron Paul 9%, Newt Gingrich 8%, Herman Cain 6%, someone else/not sure 9%
Azimuth Research Group Margin of error: ±2% Sample size: 882	May 29 – Jun. 3, 2011	Ron Paul 22%	Rick Perry 17%	Herman Cain 14%	Newt Gingrich 11%, Gary Johnson 9%, Mitt Romney 8%, Michele Bachmann 7%, Jon Huntsman 2%, Tim Pawlenty 2%, Rick Santorum 1%, Undecided 7%
Texas Lyceum Margin of error: ±8% Sample size: 147	May 24–31, 2011	Mitt Romney 16%	Sarah Palin 12%	Ron Paul 10%	Rick Perry 9%, Herman Cain 8%, Tim Pawlenty 7%, Michele Bachmann 4%, Newt Gingrich 4%, Rick Santorum 4%, Jon Huntsman 0%, Mitch Daniels 1%
University of Texas/Texas Tribune Margin of error: ±4.98% Sample size: 388	May 11–18, 2011	Sarah Palin 12%	Newt Gingrich 11%	Mike Huckabee 10%	Ron Paul 10%, Michele Bachmann 7%, Mitt Romney 7%, Donald Trump 6%, Tim Pawlenty 4%, Rick Perry 4%, Rick Santorum 3%, Mitch Daniels 1%, Jon Huntsman 1%
Public Policy Polling Margin of error: ±4.9% Sample size: 400	Jan. 14–16, 2011	Mike Huckabee 24%	Newt Gingrich 17%	Sarah Palin 17%	Ron Paul 10%, Mitt Romney 10%, Rick Perry 9%, Tim Pawlenty 4%, Mitch Daniels 3%, someone else/undecided 5%
	Jan. 14–16, 2011	Mike Huckabee 25%	Sarah Palin 21%	Newt Gingrich 17%	Mitt Romney 10%, Ron Paul 9%, Tim Pawlenty 5%, Mitch Daniels 3%, someone else/undecided 8%
Public Policy Polling Margin of error: ±6.2% Sample size: 254	Oct. 26–28, 2010	Sarah Palin 22%	Mike Huckabee 20%	Newt Gingrich 15%	Mitt Romney 15%, Tim Pawlenty 3%, Mike Pence 3%, Mitch Daniels 2%, John Thune 1%, someone else/undecided 20%
University of Texas/Texas Tribune Margin of error: ±3.46% Sample size: 800	Sep. 3–8, 2010	Sarah Palin 20%	Newt Gingrich 15%	Mike Huckabee 13%	Mitt Romney 13%, Ron Paul 8%, Rick Perry 7%, Jeb Bush 3%, Haley Barbour 2%, Tim Pawlenty 1%, undecided 19%
Public Policy Polling Margin of error: ±4.9% Sample size: 400	Sep. 2–6, 2010	Newt Gingrich 23%	Mike Huckabee 19%	Sarah Palin 19%	Mitt Romney 17%, Ron Paul 8%, someone else 5%, undecided 10%
Public Policy Polling Margin of error: ±4.38% Sample size: 500	Jun. 19–20, 2010	Newt Gingrich 25%	Mike Huckabee 22%	Mitt Romney 18%	Sarah Palin 17%, Ron Paul 10%, undecided 8%
	Jun. 19–20, 2010	Newt Gingrich 23%	Mike Huckabee 18%	Sarah Palin 17%	Mitt Romney 14%, Ron Paul 8%, Rick Perry 8%, undecided 13%
Public Policy Polling Margin of error: ±4.9% Sample size: 400	Feb. 19–21, 2010	Mitt Romney 32%	Mike Huckabee 29%	Sarah Palin 23%	undecided 15%

California (June 5)

Primary date: June 5, 2012
Delegates: 172

Poll source	Date	1^st	2^nd	3^rd	Other
SurveyUSA Margin of error: ±4.8% Sample size: 439	Mar. 29 – Apr. 2, 2012	Mitt Romney 44%	Rick Santorum 23%	Newt Gingrich 12%	Ron Paul 12%, Other 1%, Undecided 8%
USC Dornsife/Los Angeles Times Margin of error: Sample size: 465	Mar. 14–19, 2012	Mitt Romney 42%	Rick Santorum 23%	Newt Gingrich 12%	Ron Paul 10%, Other 2%, Undecided 9%, Will not vote 3%
Rasmussen Reports Margin of error: ±4% Sample size: 750	Mar. 12, 2012	Mitt Romney 43%	Rick Santorum 23%	Newt Gingrich 15%	Ron Paul 8%, Someone other candidate 3%, Undecided 8%
Rasmussen Reports Margin of error: ±4% Sample size: 750	Mar. 12, 2012	Mitt Romney 55%	Rick Santorum 36%	–	–
Public Policy Institute Margin of error: ±7.4% Sample size: 281	Feb. 21–28, 2012	Mitt Romney 28%	Rick Santorum 22%	Newt Gingrich 17%	Ron Paul 8%, Someone else 2%, Don't know 22%
Field Margin of error: ±7% Sample size: 220	Feb. 11–18, 2012	Mitt Romney 31%	Rick Santorum 25%	Ron Paul 16%	Newt Gingrich 12%, Other 2%, Undecided 14%
Field Margin of error: ±7% Sample size: 180	Feb. 2–10, 2012	Mitt Romney 38%	Rick Santorum 18%	Newt Gingrich 13%	Ron Paul 9%, Other 4%, Undecided 18%
SurveyUSA Margin of error: ±4.6% Sample size: 479	Feb. 8–9, 2012	Mitt Romney 33%	Rick Santorum 31%	Newt Gingrich 17%	Ron Paul 9%, Other 3%, Undecided 7%
Public Policy Institute Margin of error: ±8.1% Sample size: 286	Nov. 29 – Dec. 5, 2011	Newt Gingrich 30%	Mitt Romney 24%	Herman Cain 8%	Ron Paul 8%, Rick Perry 4%, Rick Santorum 4%, Michele Bachmann 3%, Jon Huntsman 1%, Someone else 1%, Don't know 16%
	Nov. 29 – Dec. 5, 2011	Newt Gingrich 33%	Mitt Romney 25%	Ron Paul 9%	Michele Bachmann 7%, Rick Perry 4%, Rick Santorum 4%, Jon Huntsman 2%, Someone else 1%, Don't know 16%
Field Margin of error: ±5.7% Sample size: 330	Nov. 15–27, 2011	Mitt Romney 26%	Newt Gingrich 23%	Herman Cain 9%	Ron Paul 5%, Michele Bachmann 3%, Rick Perry 3%, Rick Santorum 2%, Jon Huntsman 1%, Other 2%, Undecided 26%
Public Policy Polling Margin of error: ±5.5% Sample size: 316	Nov. 10–13, 2011	Newt Gingrich 33%	Mitt Romney 23%	Herman Cain 22%	Rick Perry 6%, Ron Paul 5%, Michele Bachmann 3%, Gary Johnson 2%, Jon Huntsman 1%, Rick Santorum 1%, someone else/not sure 5%
USC Dornsife/Los Angeles Times Margin of error: ±4.5% Sample size: 434	Oct. 30 – Nov. 9, 2011	Mitt Romney 27%	Herman Cain 20%	Newt Gingrich 14%	Ron Paul 6%, Rick Perry 3%, Michele Bachmann 2%, Jon Huntsman 1%, Rick Santorum 1%, Undecided 22%, Other/refused 3%
Field Margin of error: ±5.6% Sample size: 333	Sep. 1–12, 2011	Mitt Romney 28%	Rick Perry 20%	Sarah Palin 8%	Newt Gingrich 7%, Ron Paul 7%, Michele Bachmann 6%, Herman Cain 4%, Jon Huntsman 2%, Rick Santorum 1%, other/undecided 17%
Field Margin of error: ±5.6% Sample size: 333	Sep. 1–12, 2011	Mitt Romney 30%	Rick Perry 22%	Michele Bachmann 7%	Newt Gingrich 7%, Ron Paul 7%, Herman Cain 4%, Jon Huntsman 3%, Rick Santorum 1%, other/undecided 19%
USC Dornsife/Los Angeles Times Margin of error: ±4.5% Sample size: 453	Aug. 17–28, 2011	Mitt Romney 22%	Rick Perry 22%	Ron Paul 11%	Michele Bachmann 10%, Newt Gingrich 6%, Herman Cain 4%, Jon Huntsman 1%, Rick Santorum 1%, Fred Karger 0%, Thaddeus McCotter 0%, Buddy Roemer 0%, someone else/undecided 16%
Field Margin of error: ±5.7% Sample size: 322	Jun. 3–13, 2011	Mitt Romney 25%	Rudy Giuliani 17%	Sarah Palin 10%	Ron Paul 7%, Herman Cain 6%, Newt Gingrich 6%, Rick Perry 5%, Michele Bachmann 4%, Tim Pawlenty 3%, Rick Santorum 2%, Jon Huntsman 1%, Gary Johnson <0.5%, other/undecided 14%
Field Margin of error: ±5.7% Sample size: 322	Jun. 3–13, 2011	Mitt Romney 30%	Sarah Palin 12%	Newt Gingrich 8%	Ron Paul 8%, Herman Cain 7%, Rick Perry 6%, Michele Bachmann 5%, Tim Pawlenty 3%, Rick Santorum 2%, Jon Huntsman 1%, Gary Johnson <0.5%, other/undecided 18%
Public Policy Polling Margin of error: ±4.9% Sample size: 403	Jan. 28–30, 2011	Mitt Romney 22%	Newt Gingrich 18%	Sarah Palin 16%	Mike Huckabee 15%, Ron Paul 10%, Tim Pawlenty 3%, Mitch Daniels 2%, John Thune 1%, someone else/undecided 12%
Public Policy Polling Margin of error: ±5.5% Sample size: 317	Oct. 29–31, 2010	Mitt Romney 25%	Sarah Palin 18%	Newt Gingrich 15%	Mike Huckabee 15%, Mike Pence 3%, Tim Pawlenty 2%, Mitch Daniels 1%, John Thune 1%, someone else/undecided 19%
Public Policy Polling Margin of error: ±4.9% Sample size: 400	Sep. 14–16, 2010	Mitt Romney 24%	Newt Gingrich 21%	Sarah Palin 18%	Mike Huckabee 17%, Ron Paul 6%, someone else 5%, undecided 9%
Public Policy Polling Margin of error: ±4.8% Sample size: 417	May 21–23, 2010	Newt Gingrich 28%	Mitt Romney 25%	Sarah Palin 18%	Mike Huckabee 13%, Ron Paul 10%, undecided 6%
Magellan Strategies Margin of error: ±3.97% Sample size: 612	Feb. 25, 2010	Mitt Romney 31%	Sarah Palin 18%	Mike Huckabee 13%	Newt Gingrich 12%, Ron Paul 8%, Tim Pawlenty 3%, other candidate 3%, undecided 12%

Montana (June 5)

Primary date: June 5, 2012
Delegates: 26

Poll source	Date	1^st	2^nd	3^rd	Other
Public Policy Polling Margin of error: ±4.9% Sample size: 403	Apr. 26–29, 2012	Mitt Romney 66%	Ron Paul 25%	–	Undecided 9%
Public Policy Polling Margin of error: ±4.5% Sample size: 470	Nov. 28–30, 2011	Newt Gingrich 37%	Ron Paul 12%	Mitt Romney 11%	Michele Bachmann 10%, Herman Cain 10%, Rick Perry 5%, Jon Huntsman 3%, Rick Santorum 1%, Gary Johnson 1%, Someone Else 10%
Public Policy Polling Margin of error: ±5.0% Sample size: 382	Jun. 16–19, 2011	Sarah Palin 20%	Michele Bachmann 18%	Mitt Romney 17%	Newt Gingrich 9%, Ron Paul 9%, Herman Cain 8%, Tim Pawlenty 7%, Jon Huntsman 4%, Someone else/Not sure 9%
	Jun. 16–19, 2011	Michele Bachmann 25%	Mitt Romney 22%	Newt Gingrich 11%	Ron Paul 10%, Tim Pawlenty 9%, Herman Cain 8%, Jon Huntsman 4%, Someone else/Not sure 10%
Public Policy Polling Margin of error: ±4.2% Sample size: 545	Nov. 10–13, 2010	Sarah Palin 23%	Mike Huckabee 22%	Newt Gingrich 16%	Mitt Romney 12%, Ron Paul 9%, Tim Pawlenty 3%, John Thune 3%, Mitch Daniels 2%, undecided 10%

New Jersey (June 5)

Primary date: June 5, 2012
Delegates: 50

Poll source	Date	1^st	2^nd	3^rd	Other
Quinnipiac University Margin of error: ±4.3% Sample size: 513	Apr. 3–9, 2012	Mitt Romney 51%	Rick Santorum 14%	Newt Gingrich 9%	Ron Paul 7%, Someone else 1%, Wouldn't vote 4%, Don't know/No answer 14%
Rutgers-Eagleton Institute of Politics Margin of error: ±5.9% Sample size: 289	Feb. 9–11, 2012	Mitt Romney 36%	Rick Santorum 19%	Newt Gingrich 11%	Ron Paul 11%, Someone else 11%, None of them 3%, Don't know 8%
Quinnipiac University Margin of error: ±4.6% Sample size: 464	Jan. 10–16, 2012	Mitt Romney 40%	Newt Gingrich 14%	Rick Santorum 14%	Ron Paul 12%, Jon Huntsman 4%, Rick Perry 2%, Wouldn't vote 3%, DK/NA 13%
	Jan. 10–16, 2012	Mitt Romney 41%	Rick Santorum 15%	Newt Gingrich 14%	Ron Paul 12%, Rick Perry 2%, Wouldn't vote 3%, DK/NA 13%
Quinnipiac University Margin of error: ±4.2% Sample size: 548	Nov. 9–14, 2011	Mitt Romney 29%	Newt Gingrich 22%	Herman Cain 12%	Ron Paul 6%, Jon Huntsman 4%, Michele Bachmann 3%, Rick Perry 3%, Rick Santorum 1%, someone else 2%, wouldn't vote 2%, DK/NA 16%
Quinnipiac University Margin of error: ±2.9% Sample size: 1,186	Oct. 5–10, 2011	Mitt Romney 28%	Herman Cain 17%	Ron Paul 11%	Rick Perry 7%, Newt Gingrich 5%, Michele Bachmann 4%, Jon Huntsman 2%, Rick Santorum 1%, someone else/undecided 23%
Public Policy Polling Margin of error: ±5.7% Sample size: 300	Jul. 15–18, 2011	Chris Christie 38%	Mitt Romney 13%	Michele Bachmann 12%	Ron Paul 9%, Rick Perry 8%, Herman Cain 5%, Newt Gingrich 4%, Tim Pawlenty 2%, Jon Huntsman 1%, someone else/not sure 8%
		Mitt Romney 22%	Michele Bachmann 21%	Ron Paul 11%	Rick Perry 10%, Herman Cain 8%, Newt Gingrich 7%, Tim Pawlenty 5%, Jon Huntsman 3%, someone else/not sure 12%
		Mitt Romney 21%	Michele Bachmann 18%	Sarah Palin 16%	Ron Paul 10%, Rick Perry 10%, Newt Gingrich 6%, Tim Pawlenty 6%, Herman Cain 5%, Jon Huntsman 2%, someone else/not sure 5%
Public Policy Polling Margin of error: ±4.9% Sample size: 400	Jan. 6–9, 2011	Mike Huckabee 18%	Mitt Romney 18%	Newt Gingrich 15%	Sarah Palin 14%, Ron Paul 8%, Tim Pawlenty 4%, Mitch Daniels 3%, John Thune 2%, someone else/undecided 19%

New Mexico (June 5)

Primary date: June 5, 2012
Delegates: 23

Poll source	Date	1^st	2^nd	3^rd	Other
Public Policy Polling Margin of error: ±5.7% Sample size: 300	Dec. 10–12, 2011	Newt Gingrich 39%	Mitt Romney 14%	Gary Johnson 11%	Ron Paul 8%, Rick Perry 8%, Michele Bachmann 6%, Rick Santorum 3%, Jon Huntsman 2%, someone else/not sure 9%
Public Policy Polling Margin of error: ±4.9% Sample size: 400	Jun. 23–26, 2011	Michele Bachmann 22%	Mitt Romney 22%	Sarah Palin 14%	Herman Cain 10%, Ron Paul 7%, Tim Pawlenty 7%, Newt Gingrich 4%, Jon Huntsman 3%, someone else/not sure 12%
		Michele Bachmann 27%	Mitt Romney 23%	Herman Cain 12%	Ron Paul 8%, Tim Pawlenty 7%, Newt Gingrich 6%, Jon Huntsman 4%, someone else/not sure 13%
		Michele Bachmann 21%	Mitt Romney 18%	Gary Johnson 13%	Sarah Palin 11%, Herman Cain 10%, Tim Pawlenty 7%, Newt Gingrich 6%, Ron Paul 5%, someone else/not sure 9%
Public Policy Polling Margin of error: ±5.2% Sample size: 357	Feb. 4–6, 2011	Sarah Palin 20%	Mike Huckabee 17%	Mitt Romney 16%	Newt Gingrich 13%, Gary Johnson 13%, Tim Pawlenty 6%, Ron Paul 4%, Mitch Daniels 3%, someone else/undecided 8%
	Feb. 4–6, 2011	Sarah Palin 22%	Mike Huckabee 18%	Mitt Romney 16%	Newt Gingrich 15%, Tim Pawlenty 7%, Ron Paul 6%, Mitch Daniels 3%, someone else/undecided 12%
Public Policy Polling Margin of error: ±5.4% Sample size: 333	Feb. 18–20, 2010	Mitt Romney 33%	Sarah Palin 32%	Mike Huckabee 18%	undecided 17%

South Dakota (June 5)

Primary date: June 5, 2012
Delegates: 28

Poll source	Date	1^st	2^nd	3^rd	Other
Nielson Brothers Polling Margin of error: ±5.68% Sample size: 298	Dec. 6–9, 2011	Ron Paul 22%	Newt Gingrich 19%	Michele Bachmann 18%	Rick Perry 15%, Mitt Romney 10%, undecided 16%
Public Policy Polling Margin of error: ±4.5% Sample size: 484	Jan. 28–30, 2011	Sarah Palin 21%	Mike Huckabee 19%	Mitt Romney 17%	Newt Gingrich 12%, Ron Paul 7%, Tim Pawlenty 5%, Mitch Daniels 1%, undecided 19%
	Jan. 28–30, 2011	John Thune 37%	Sarah Palin 12%	Mitt Romney 12%	Mike Huckabee 11%, Newt Gingrich 10%, Ron Paul 5%, Tim Pawlenty 2%, Mitch Daniels 1%, undecided 10%

Utah (June 26)

Primary date: June 26, 2012
Delegates: 40

Poll source	Date	1^st	2^nd	3^rd	Other
Public Policy Polling Margin of error: ±4.9% Sample size: 406	Jul. 8–10, 2011	Mitt Romney 63%	Jon Huntsman 10%	Michele Bachmann 6%	Sarah Palin 5%, Herman Cain 4%, Ron Paul 4%, Rick Perry 4%, Newt Gingrich 3%, Tim Pawlenty 1%
		Mitt Romney 60%	Jon Huntsman 12%	Michele Bachmann 8%	Ron Paul 5%, Herman Cain 4%, Rick Perry 4%, Newt Gingrich 2%, Tim Pawlenty 2%, Someone else/Undecided 4%
		Mitt Romney 82%	Jon Huntsman 14%	–	Someone else/Undecided 4%
Deseret News/KSL Margin of error: ±4.4% Sample size: 496	Feb. 8–10, 2011	Mitt Romney 72%	Jon Huntsman 15%	–
Lake Tribune/Mason Dixon Margin of error: ±6.7% Sample size: 215	Apr. 26–28, 2010	Mitt Romney 73%	Sarah Palin 9%	Ron Paul 5%	Newt Gingrich 4%, Mike Huckabee 1%, Tim Pawlenty 1%, other candidate 3%, undecided 4%
Dan Jones Poll Margin of error: ±6.2% Sample size: 254	Apr. 27, 2009	Mitt Romney 55%	Jon Huntsman 32%	–	other candidate/undecided 13%

Polling for completed primaries

Iowa (January 3)

Main article: Iowa Republican caucuses, 2012

Winner: Rick Santorum
Caucus date: January 3, 2012
Delegates: 28

Poll source	Date	1^st	2^nd	3^rd	Other
Caucus results Turnout: 122,255	Jan. 3, 2012	Rick Santorum 24.6%	Mitt Romney 24.5%	Ron Paul 21.5%	Newt Gingrich 13.3%, Rick Perry 10.3%, Michele Bachmann 5.0%, Jon Huntsman 0.6%, No Preference 0.1%, Other 0.1%, Herman Cain 0.1%, Buddy Roemer 0.0%
InsiderAdvantage / Majority Opinion Research Sample size: 729	Jan. 1, 2012	Mitt Romney 22.7%	Ron Paul 22.4%	Rick Santorum 18%	Newt Gingrich 16.1%, Rick Perry 9.6%, Michele Bachmann 5.8%, Jon Huntsman 1.8%, Someone Else 1.3%, No Opinion 2.3%
Public Policy Polling Margin of error: ±2.7% Sample size: 1,340	Dec. 31, 2011 – Jan. 1, 2012	Ron Paul 20%	Mitt Romney 19%	Rick Santorum 18%	Newt Gingrich 14%, Rick Perry 10%, Michele Bachmann 8%, Jon Huntsman 4%, Buddy Roemer 2%, Other 4%
American Research Group Margin of error: 4% Sample size: 600	Dec. 29 – Jan. 1, 2012	Mitt Romney 22%	Ron Paul 17%	Rick Santorum 16%	Newt Gingrich 15%, Rick Perry 9%, Michele Bachmann 8%, Jon Huntsman 4%, Buddy Roemer 1%, Someone Else 1%, Undecided 7%
Des Moines Register Margin of error: ±4% Sample size: 602	Dec. 27–30, 2011	Mitt Romney 24%	Ron Paul 22%	Rick Santorum 15%	Newt Gingrich 12%, Rick Perry 11%, Michele Bachmann 7%, Jon Huntsman 2%
We Ask America Margin of error: Sample size: 889	Dec. 29, 2011	Mitt Romney 24%	Rick Santorum 17%	Ron Paul 14%	Newt Gingrich 13%, Michele Bachmann 12%, Rick Perry 10%, Jon Huntsman 4%, Undecided 7%
InsiderAdvantage / Majority Opinion Research Margin of error: ±4.7% Sample size: 429	Dec. 28, 2011	Ron Paul 17.3%	Mitt Romney 17.2%	Newt Gingrich 16.7%	Rick Santorum 13.4%, Michele Bachmann 11.8%, Rick Perry 10.5%, Jon Huntsman 2.8%, Someone else 3%, no opinion 7.3%
Rasmussen Margin of error: ±4% Sample size: 750	Dec. 28, 2011	Mitt Romney 23%	Ron Paul 22%	Rick Santorum 16%	Newt Gingrich 13%, Rick Perry 13%, Michele Bachmann 5%, Jon Huntsman 3%, Someone else 1%, Undecided 6%
NBC News/Marist Margin of error: ±4.7% Sample size: 433	Dec. 27–28, 2011	Mitt Romney 23%	Ron Paul 21%	Rick Santorum 15%	Rick Perry 14%, Newt Gingrich 13%, Michele Bachmann 6%, Jon Huntsman 2%, Undecided 7%
American Research Group Margin of error: ±4% Sample size: 600	Dec. 26–28, 2011	Mitt Romney 22%	Newt Gingrich 17%	Ron Paul 16%	Rick Santorum 11%, Rick Perry 9%, Michele Bachmann 8%, Jon Huntsman 6%, Buddy Roemer 1%
Public Policy Polling Margin of error: ±4.1% Sample size: 565	Dec. 26–27, 2011	Ron Paul 24%	Mitt Romney 20%	Newt Gingrich 13%	Michele Bachmann 11%, Rick Perry 10%, Rick Santorum 10%, Jon Huntsman 4%, Buddy Roemer 2%, Someone else/Not sure 5%
CNN/Time Magazine Margin of error: ±4.5% Sample size: 452	Dec. 21–27, 2011	Mitt Romney 25%	Ron Paul 22%	Rick Santorum 16%	Newt Gingrich 14%, Rick Perry 11%, Michele Bachmann 9%, Jon Huntsman 1%, No opinion 2%
American Research Group Margin of error: ±4% Sample size: 600	Dec. 19–22, 2011	Ron Paul 21%	Mitt Romney 20%	Newt Gingrich 19%	Rick Perry 9%, Michele Bachmann 8%, Jon Huntsman 6%, Rick Santorum 4%, Buddy Roemer 1%
We Ask America Margin of error: ±2.8% Sample size: 1,250	Dec. 20, 2011	Ron Paul 19%	Mitt Romney 18%	Newt Gingrich 16%	Michele Bachmann 15%, Rick Perry 11%, Rick Santorum 9%, Jon Huntsman 4%, Uncertain 8%
Rasmussen Reports Margin of error: ±4% Sample size: 750	Dec. 19, 2011	Mitt Romney 25%	Ron Paul 20%	Newt Gingrich 17%	Rick Perry 10%, Rick Santorum 10%, Michele Bachmann 6%, Jon Huntsman 4%, Not sure 8%, Other 1%
InsiderAdvantage / Majority Opinion Research Margin of error: ±5.7% Sample size: 391	Dec. 18, 2011	Ron Paul 23.9%	Mitt Romney 18.2%	Rick Perry 15.5%	Newt Gingrich 12.9%, Michele Bachmann 10.1%, Jon Huntsman 3.8%, Rick Santorum 2.9%, Someone else 0.8%, No opinion 11.9%
Public Policy Polling Margin of error: ±4% Sample size: 597	Dec. 16–18, 2011	Ron Paul 23%	Mitt Romney 20%	Newt Gingrich 14%	Michele Bachmann 10%, Rick Perry 10%, Rick Santorum 10%, Jon Huntsman 4%, Gary Johnson 2%, Someone else/not sure 7%
Iowa State University / Cedar Rapids Gazette / KCRG Margin of error: ±5% Sample size: 940	Dec. 8–18, 2011	Ron Paul 27.5%	Newt Gingrich 25.3%	Mitt Romney 17.5%	Rick Perry 11.2%, Michele Bachmann 7.4%, Rick Santorum 4.9%, Herman Cain 0.4%, Jon Huntsman 0.3%, Can't decide 5.4%
Rasmussen Margin of error: ±4% Sample size: 750	Dec. 13, 2011	Mitt Romney 23%	Newt Gingrich 20%	Ron Paul 18%	Rick Perry 10%, Michele Bachmann 9%, Rick Santorum 6%, Jon Huntsman 5%, Not sure 8%, Other 2%
Public Policy Polling Margin of error: ±4.2% Sample size: 555	Dec. 11–13, 2011	Newt Gingrich 22%	Ron Paul 21%	Mitt Romney 16%	Michele Bachmann 11%, Rick Perry 9%, Rick Santorum 8%, Jon Huntsman 5%, Gary Johnson 1%, Someone else/Not sure 7%
InsiderAdvantage / Majority Opinion Research Margin of error: Sample size: 517	Dec. 12, 2011	Newt Gingrich 27.1%	Ron Paul 16.5%	Rick Perry 13.2%	Mitt Romney 11.9%, Michele Bachmann 10.3%, Rick Santorum 6.8%, Jon Huntsman 3.6%, Someone else 1.4%, No opinion 9.2%
American Research Group Margin of error: ±4% Sample size: 600	Dec. 8–11, 2011	Newt Gingrich 22%	Ron Paul 17%	Mitt Romney 17%	Rick Perry 13%, Michele Bachmann 7%, Rick Santorum 7%, Jon Huntsman 5%, Other 1%, Undecided 12%
University of Iowa Hawkeye Margin of error: ±6% Sample size: 277	Nov. 30 – Dec. 7, 2011	Newt Gingrich 29.8%	Mitt Romney 20.3%	Ron Paul 10.7%	Michele Bachmann 8.5%, Rick Perry 8.2%, Rick Santorum 5.3%, Herman Cain 4.4%, Jon Huntsman 1.5%, Someone else 0.9%, Don't know/refused 10.5%
CNN / Time Magazine Margin of error: ±5% Sample size: 419	Nov. 29 – Dec. 6, 2011	Newt Gingrich 33%	Mitt Romney 20%	Ron Paul 17%	Rick Perry 9%, Michele Bachmann 7%, Rick Santorum 5%, Jon Huntsman 1%, None 2%, No Opinion 5%
CBS News / New York Times Margin of error: ±4% Sample size: 1,869	Nov. 30 – Dec. 5, 2011	Newt Gingrich 31%	Mitt Romney 17%	Ron Paul 16%	Rick Perry 11%, Michele Bachmann 9%, Rick Santorum 4%, Jon Huntsman 1%
	Nov. 30 – Dec. 5, 2011	Newt Gingrich 28%	Mitt Romney 18%	Ron Paul 14%	Rick Perry 10%, Herman Cain 7%, Michele Bachmann 4%, Rick Santorum 4%, Jon Huntsman 1%, someone else 1%, undecided 10%, no/no one 1%, don't know/no answer 2%
Public Policy Polling Margin of error: ±4.1% Sample size: 572	Dec. 3–5, 2011	Newt Gingrich 27%	Ron Paul 18%	Mitt Romney 16%	Michele Bachmann 13%, Rick Perry 9%, Rick Santorum 6%, Jon Huntsman 4%, Gary Johnson 1%, Someone else/Not sure 7%
We Ask America Margin of error: ±3.15% Sample size: 970	Dec. 5, 2011	Newt Gingrich 30%	Mitt Romney 16%	Ron Paul 14%	Michele Bachmann 13%, Rick Perry 7%, Rick Santorum 4%, Jon Huntsman 3%, someone else 1%, undecided 6%, no/no one 2%, don't know/no answer 2%
ABC News / Washington Post Margin of error: ±6% Sample size: 356	Nov. 30 – Dec. 4, 2011	Newt Gingrich 33%	Ron Paul 18%	Mitt Romney 18%	Rick Perry 11%, Michele Bachmann 8%, Rick Santorum 7%, Jon Huntsman 2%, None of these 1%, Would not vote 0%, No opinion 3%
The Des Moines Register Margin of error: ±4.9% Sample size: 401	Nov. 27–30, 2011	Newt Gingrich 25%	Ron Paul 18%	Mitt Romney 16%	Michele Bachmann 8%, Herman Cain 8%, Rick Perry 6%, Rick Santorum 6%, Jon Huntsman 2%, Uncommitted 11%
NBC News/Marist Margin of error: ±4.8% Sample size: 425 (Likely caucus-goers)	Nov. 27–29, 2011	Newt Gingrich 26%	Mitt Romney 18%	Ron Paul 17%	Herman Cain 9%, Rick Perry 9%, Michele Bachmann 5%, Rick Santorum 5%, Jon Huntsman 2%, Undecided 9%
		Newt Gingrich 28%	Ron Paul 19%	Mitt Romney 19%	Rick Perry 10%, Michele Bachmann 7%, Rick Santorum 6%, Jon Huntsman 2%, Undecided 9%
NBC News/Marist Margin of error: ±3.2% Sample size: 916 (Potential caucus-goers)		Newt Gingrich 25%	Mitt Romney 18%	Ron Paul 16%	Herman Cain 9%, Rick Perry 9%, Michele Bachmann 5%, Rick Santorum 4%, Jon Huntsman 2%, Undecided 11%
We Ask America Margin of error: ±3.16% Sample size: 962	Nov. 28, 2011	Newt Gingrich 29%	Michele Bachmann 13%	Mitt Romney 13%	Ron Paul 11%, Herman Cain 7%, Rick Perry 5%, Rick Santorum 5%, Jon Huntsman 4%, Uncertain 13%
Newsmax / InsiderAdvantage / Majority Opinion Research Margin of error: Sample size: 509	Nov. 28, 2011	Newt Gingrich 28.1%	Ron Paul 13.3%	Mitt Romney 11.5%	Michele Bachmann 10.1%, Herman Cain 9.8%, Rick Perry 6.6%, Rick Santorum 3.3%, Someone else 3.2%, No opinion 14.1%
American Research Group Margin of error: ±4% Sample size: 600	Nov. 17–23, 2011	Newt Gingrich 27%	Mitt Romney 20%	Ron Paul 16%	Michele Bachmann 6%, Herman Cain 6%, Rick Santorum 6%, Rick Perry 5%, Jon Huntsman 3% Undecided 11%
Rasmussen Reports Margin of error: ±4% Sample size: 800	Nov. 16, 2011	Newt Gingrich 32%	Mitt Romney 19%	Herman Cain 13%	Ron Paul 10%, Michele Bachmann 6%, Rick Perry 6%, Rick Santorum 5%, Jon Huntsman 2%, Other 1%, Undecided 6%
Iowa State University / Gazette / KCRG Margin of error: ±5% Sample size: 1,256	Nov. 1–13, 2011	Herman Cain 24.5%	Ron Paul 20.4%	Mitt Romney 16.3%	Rick Perry 7.9%, Michele Bachmann 7.6%, Newt Gingrich 4.8%, Rick Santorum 4.7%, Jon Huntsman 0%, Can't decide 8.1%
The Polling Company Margin of error: ±4.4% Sample size: 501	Nov. 11–13, 2011	Herman Cain 20%	Newt Gingrich 19%	Mitt Romney 14%	Michele Bachmann 10%, Ron Paul 10%, Rick Perry 5%, Rick Santorum 4%, Jon Huntsman 2%, Gary Johnson 1%, Refused 1%, Undecided 13%
Bloomberg News Margin of error: ±4.4% Sample size: 503	Nov. 10–12, 2011	Herman Cain 20%	Ron Paul 19%	Mitt Romney 18%	Newt Gingrich 17%, Rick Perry 7%, Michele Bachmann 5%, Rick Santorum 3%, Jon Huntsman 1%, Not sure 10%
Newsmax / InsiderAdvantage Margin of error: ±4.6% Sample size: 436	Nov. 8, 2011	Herman Cain 23.3%	Mitt Romney 18.7%	Newt Gingrich 14.5%	Ron Paul 11.4%, Rick Perry 8.8%, Michele Bachmann 5.4%, Rick Santorum 3.4%, Someone else 1.7%, No opinion 12.8%
We Ask America Margin of error: ±3.33% Sample size: 864	Nov. 6, 2011	Herman Cain 22%	Newt Gingrich 18%	Mitt Romney 15%	Michele Bachmann 11%, Ron Paul 11%, Rick Perry 4%, Rick Santorum 3%, Jon Huntsman 2%, Other 14%
Newsmax / InsiderAdvantage Margin of error: ±4.3% Sample size: 507	Nov. 3, 2011	Herman Cain 30%	Mitt Romney 15%	Newt Gingrich 12%	Ron Paul 9%, Michele Bachmann 8%, Rick Perry 6%, Jon Huntsman 2%, Other 5%
JMC Enterprises Margin of error: ±4.3% Sample size: 510	Nov. 2, 2011	Herman Cain 20%	Mitt Romney 20%	Newt Gingrich 16%	Michele Bachmann 6%, Ron Paul 6%, Rick Perry 4%, Rick Santorum 4%, Jon Huntsman 2%, Undecided 23%
The Des Moines Register Margin of error: ±4.9% Sample size: 400	Oct. 23–26, 2011	Herman Cain 23%	Mitt Romney 21%	Ron Paul 12%	Michele Bachmann 8%, Newt Gingrich 7%, Rick Perry 7%, Rick Santorum 5%, Jon Huntsman 1%
CNN/Time Magazine Margin of error: ±5% Sample size: 405	Oct. 20–25, 2011	Mitt Romney 24%	Herman Cain 21%	Ron Paul 12%	Newt Gingrich 10%, Rick Perry 10%, Michele Bachmann 6%, Rick Santorum 2%, Jon Huntsman 1%, None 3%, No opinion 11%
University of Iowa, Hawkeye Margin of error: ±3.6% Sample size: 778	Oct. 21, 2011	Herman Cain 37.0%	Mitt Romney 27.0%	Ron Paul 11.5%	Newt Gingrich 7.7%, Rick Perry 5.9%, Michele Bachmann 3.9%, Rick Santorum 3.1%, Jon Huntsman 1.2%, Someone else 2.5%
Rasmussen Reports Margin of error: ±4% Sample size: 800	Oct. 19, 2011	Herman Cain 28%	Mitt Romney 21%	Ron Paul 10%	Newt Gingrich 9%, Michele Bachmann 8%, Rick Perry 7%, Rick Santorum 4%, Jon Huntsman 2%, Someone else/Not sure 12%
AARP/GS Strategy Group Margin of error: ±4.9% Sample size: 400	Oct. 17–18, 2011	Herman Cain 25%	Mitt Romney 22%	Ron Paul 8%	Michele Bachmann 7%, Newt Gingrich 6%, Rick Perry 5%, Rick Santorum 4%, Jon Huntsman 1%, No opinion 23%
Newsmax / InsiderAdvantage Margin of error: Sample size: 422	Oct. 16, 2011	Herman Cain 26.4%	Mitt Romney 18.1%	Newt Gingrich 12.1%	Michele Bachmann 11.0%, Ron Paul 9.6%, Rick Perry 5.8%, Jon Huntsman 0.9%, Someone else 3%, No opinion 13.1%
Public Policy Polling Margin of error: ±5.6% Sample size: 311	Oct. 7–10, 2011	Herman Cain 30%	Mitt Romney 22%	Ron Paul 10%	Rick Perry 9%, Michele Bachmann 8%, Newt Gingrich 8%, Rick Santorum 5%, Jon Huntsman 1%, Gary Johnson 1%, Someone else/Not sure 5%
NBC News-Marist Poll Margin of error: ±5.1% Sample size: 371	Oct. 3–5, 2011	Mitt Romney 26%	Herman Cain 20%	Ron Paul 12%	Michele Bachmann 11%, Rick Perry 11%, Newt Gingrich 5%, Rick Santorum 3%, Jon Huntsman 1%, Gary Johnson 1%, Undecided 16%
American Research Group Margin of error: ±4% Sample size: 600	Sep. 22–27, 2011	Mitt Romney 21%	Michele Bachmann 15%	Rick Perry 14%	Ron Paul 12%, Newt Gingrich 8%, Herman Cain 6%, Sarah Palin 4%, Rick Santorum 2%, Jon Huntsman 1%, Buddy Roemer 1%, Other 1%, Undecided 15%
Rasmussen Reports Margin of error: ±3% Sample size: 862	Aug. 31, 2011	Rick Perry 29%	Michele Bachmann 18%	Mitt Romney 17%	Ron Paul 14%, Herman Cain 4%, Rick Santorum 4%, Jon Huntsman 3%, Newt Gingrich 2%
Magellan Strategies Margin of error: ±3.77% Sample size: 676	Aug. 22–23, 2011	Rick Perry 24%	Michele Bachmann 22%	Mitt Romney 19%	Ron Paul 9%, Herman Cain 6%, Newt Gingrich 4%, Rick Santorum 4%, Jon Huntsman 1%, other candidate 3%, undecided 8%
WPA Research Margin of error: ±4.9% Sample size: 402	Aug. 21–22, 2011	Rick Perry 23%	Michele Bachmann 20%	Mitt Romney 16%	Ron Paul 9%, Herman Cain 8%, Rick Santorum 7%, Newt Gingrich 3%, Jon Huntsman 2%, Thaddeus McCotter 0%
Public Policy Polling Margin of error: ±5.5% Sample size: 317	Aug. 19–21, 2011	Rick Perry 21%	Mitt Romney 18%	Michele Bachmann 15%	Ron Paul 12%, Sarah Palin 10%, Newt Gingrich 7%, Herman Cain 6%, Rick Santorum 5%, Jon Huntsman 3%, someone else/not sure 4%
		Rick Perry 20%	Michele Bachmann 18%	Mitt Romney 15%	Ron Paul 14%, Paul Ryan 9%, Herman Cain 7%, Newt Gingrich 7%, Rick Santorum 5%, Jon Huntsman 3%, someone else/not sure 5%
		Rick Perry 22%	Mitt Romney 19%	Michele Bachmann 18%	Ron Paul 16%, Herman Cain 7%, Newt Gingrich 5%, Rick Santorum 5%, Jon Huntsman 3%, someone else/not sure 5%
		Rick Perry 34%	Mitt Romney 28%	Michele Bachmann 24%	not sure 14%
		Michele Bachmann 44%	Mitt Romney 42%	–	not sure 14%
		Rick Perry 48%	Mitt Romney 30%	–	not sure 22%
		Rick Perry 51%	Michele Bachmann 27%	–	not sure 20%
We Ask America Polls Margin of error: ±3% Sample size: 649	Aug. 16, 2011	Rick Perry 29%	Michele Bachmann 17%	Mitt Romney 15%	Ron Paul 8%, Sarah Palin 7%, Herman Cain 5%, Newt Gingrich 5%, Rick Santorum 4%, None of these 9%
Rasmussen Margin of error: ±4% Sample size: 627	Aug. 4, 2011	Michele Bachmann 22%	Mitt Romney 21%	Ron Paul 16%	Rick Perry 12%, Tim Pawlenty 11%, Newt Gingrich 5%, Herman Cain 4%, Jon Huntsman 2%, Some other candidate 7%
Magellan Margin of error: ±3.1% Sample size: 1,024	Jul. 10–11, 2011	Michele Bachmann 29%	Mitt Romney 16%	Herman Cain 8%	Tim Pawlenty 8%, Newt Gingrich 5%, Ron Paul 5%, Rick Santorum 3%, Some other candidate 2%, Undecided 24%
American Research Group Margin of error: ±4% Sample size: 600	Jul. 5–11, 2011	Michele Bachmann 21%	Mitt Romney 18%	Ron Paul 14%	Sarah Palin 11%, Newt Gingrich 8%, Rick Santorum 5%, Jon Huntsman 3%, Herman Cain 2%, Rudy Giuliani 2%, Tim Pawlenty 2%, Rick Perry 2%, Other 2%
Mason-Dixon Polling Margin of error: ±3.9% Sample size: 629	Jul. 5–7, 2011	Michele Bachmann 32%	Mitt Romney 29%	Tim Pawlenty 7%	Rick Santorum 6%, Ron Paul 3%, Newt Gingrich 2%, Herman Cain 1%
The Iowa Republican Margin of error: ±4.4% Sample size: 500	Jun. 26–30, 2011	Michele Bachmann 25%	Mitt Romney 21%	Herman Cain 9%	Tim Pawlenty 9%, Ron Paul 6%, Newt Gingrich 4%, Rick Santorum 2%, Jon Huntsman 1%
Des Moines Register Margin of error: ±4.9% Sample size: 400	Jun. 19–22, 2011	Mitt Romney 23%	Michele Bachmann 22%	Herman Cain 10%	Newt Gingrich 7%, Ron Paul 7%, Tim Pawlenty 6%, Rick Santorum 4%, Jon Huntsman 2%
Public Policy Polling Margin of error: ±4.5% Sample size: 481	May 27–30, 2011	Mitt Romney 21%	Herman Cain 15%	Sarah Palin 15%	Newt Gingrich 12%, Michele Bachmann 11%, Tim Pawlenty 10%, Ron Paul 8%, Jon Huntsman 0%
Public Policy Polling Margin of error: ±4.8% Sample size: 419	Apr. 15–17, 2011	Mike Huckabee 27%	Mitt Romney 16%	Donald Trump 14%	Newt Gingrich 9%, Sarah Palin 8%, Michele Bachmann 6%, Ron Paul 6%, Tim Pawlenty 5%, someone else/undecided 9%
		Mike Huckabee 30%	Mitt Romney 18%	Newt Gingrich 12%	Sarah Palin 12%, Tim Pawlenty 7%, Michele Bachmann 6%, Ron Paul 6%, someone else/undecided 10%
		Mitt Romney 25%	Newt Gingrich 15%	Sarah Palin 15%	Ron Paul 15%, Michele Bachmann 10%, Tim Pawlenty 9%, someone else/undecided 11%
		Mike Huckabee 33%	Mitt Romney 20%	Newt Gingrich 13%	Michele Bachmann 10%, Ron Paul 9%, Tim Pawlenty 5%, someone else/undecided 10%
		Mitt Romney 28%	Newt Gingrich 19%	Ron Paul 16%	Michele Bachmann 15%, Tim Pawlenty 9%, someone else/undecided 12%
Strategic National Margin of error: ±4.8% Sample size: 410	Jan. 18, 2011	Mike Huckabee 28%	Mitt Romney 19%	Newt Gingrich 12%	Sarah Palin 12%, Michele Bachmann 4%, Tim Pawlenty 4%, John Thune 2%, Rick Santorum 1%, Haley Barbour 0%, undecided 18%
Public Policy Polling Margin of error: ±4.4% Sample size: 494	Jan. 7–9, 2011	Mike Huckabee 30%	Mitt Romney 18%	Sarah Palin 15%	Newt Gingrich 13%, Ron Paul 6%, Tim Pawlenty 4%, John Thune 3%, Mitch Daniels 1%, undecided 10%
Neighborhood Research	Jan. 3–8, 2011	Mike Huckabee 24%	Mitt Romney 19%	Sarah Palin 11%	Newt Gingrich 8%, Tim Pawlenty 4%, Ron Paul 3%, Michele Bachmann 2%, Haley Barbour 1%, Mike Pence 1%
Voter Consumer Research Margin of error: ±4.91% Sample size: 399	Jul. 25–28, 2010	Mike Huckabee 22%	Mitt Romney 18%	Newt Gingrich 14%	Sarah Palin 11%, Ron Paul 5%, Tim Pawlenty 1%, Rick Santorum >1%, John Thune 1%, Haley Barbour 0%, Rick Perry 0%, undecided 23%
Public Policy Polling Margin of error: ±4.5% Sample size: 477	May 25–27, 2010	Mike Huckabee 27%	Sarah Palin 17%	Newt Gingrich 16%	Mitt Romney 15%, Ron Paul 7%, Jim DeMint 2%, John Thune 2%, other candidate 3%, undecided 11%
Race42012.com / Right Way Marketing Margin of error: ±5.66% Sample size: 300	Mar. 4, 2010	Mike Huckabee 17%	Mitt Romney 14%	Sarah Palin 11%	Tim Pawlenty 1%, Gary Johnson <1%, undecided 57%

New Hampshire (January 10)

Main article: New Hampshire Republican primary, 2012

Winner: Mitt Romney
Primary date: January 10, 2012
Delegates: 12

Poll source	Date	1^st	2^nd	3^rd	Other
Primary results Turnout: 248,485	Jan. 10, 2012	Mitt Romney 39.3%	Ron Paul 22.9%	Jon Huntsman 16.9%	Newt Gingrich 9.4%, Rick Santorum 9.4%, Rick Perry 0.7%, Buddy Roemer 0.4%, write-ins 0.3%, Michele Bachmann 0.1%, Fred Karger 0.1%, Kevin Rubash 0.1%, Gary Johnson 0.1%, Herman Cain 0.1%, Jeff Lawman 0.1%, other 0.2%
Suffolk University/7 News Margin of error: ± 4.4% Sample size: 500	Jan. 8–9, 2012	Mitt Romney 37%	Ron Paul 18%	Jon Huntsman 16%	Rick Santorum 11%, Newt Gingrich 9%, Buddy Roemer 1%, Rick Perry 1%, Fred Karger 0%, Undecided 7%
American Research Group Margin of error: ± 4.4% Sample size: 600	Jan. 8–9, 2012	Mitt Romney 37%	Jon Huntsman 18%	Ron Paul 17%	Rick Santorum 11%, Newt Gingrich 10%, Rick Perry 1%, Other 2%, Undecided 4%
Suffolk University/7 News Margin of error: ± 4.4% Sample size: 500	Jan. 7–8, 2012	Mitt Romney 33%	Ron Paul 20%	Jon Huntsman 13%	Newt Gingrich 11%, Rick Santorum 10%, Buddy Roemer 2%, Rick Perry 1%, Undecided 12%
Public Policy Polling Margin of error: ± 2.3% Sample size: 1,771	Jan. 7–8, 2012	Mitt Romney 35%	Ron Paul 18%	Jon Huntsman 16%	Newt Gingrich 12%, Rick Santorum 11%, Buddy Roemer 3%, Rick Perry 1%, Someone else/Not sure 4%
University of New Hampshire/WMUR Margin of error: ± 4.6% Sample size: 461	Jan. 5–8, 2012	Mitt Romney 41%	Ron Paul 17%	Jon Huntsman 11%	Rick Santorum 11%, Newt Gingrich 8%, Michele Bachmann 1%, Rick Perry 1%, Buddy Roemer 1%, undecided 15%
Suffolk University/7 News Margin of error: ± 4.4% Sample size: 500	Jan. 6–7, 2012	Mitt Romney 35%	Ron Paul 20%	Jon Huntsman 11%	Newt Gingrich 9%, Rick Santorum 8%, Buddy Roemer 1%, Rick Perry 1%, Fred Karger 0%, undecided 15%
American Research Group Margin of error ±4% Sample size: 600	Jan. 6–7, 2012	Mitt Romney 40%	Jon Huntsman 17%	Ron Paul 16%	Rick Santorum 12%, Newt Gingrich 8%, Rick Perry 2%
Suffolk University/7 News Margin of error: ± 4.4% Sample size: 500	Jan. 5–6, 2012	Mitt Romney 39%	Ron Paul 17%	Newt Gingrich 10%	Jon Huntsman 9%, Rick Santorum 9%, Rick Perry 1%, Buddy Roemer 0%, Fred Karger 0%, undecided 15%
Rasmussen Margin of error: ± 4% Sample size: 750	Jan. 5, 2012	Mitt Romney 42%	Ron Paul 18%	Rick Santorum 13%	Jon Huntsman 12%, Newt Gingrich 8%, Rick Perry 1%, Someone else 1%, Undecided 6%
NBC News/Marist College Margin of error: ±3.7% Sample size: 711	Jan. 4–5, 2012	Mitt Romney 44%	Ron Paul 22%	Rick Santorum 13%	Newt Gingrich 9%, Jon Huntsman 9%, Rick Perry 1%, Undecided 9%
Suffolk University/7 News Margin of error: ±4.4% Sample size: 500	Jan. 4–5, 2012	Mitt Romney 40%	Ron Paul 17%	Rick Santorum 11%	Newt Gingrich 9%, Jon Huntsman 8%, Rick Perry 1%, Fred Karger 0%, Buddy Roemer 0%, Undecided 15%
University of New Hampshire/WMUR Margin of error: ± 3.9% Sample size: 631	Jan. 2–5, 2012	Mitt Romney 44%	Ron Paul 20%	Newt Gingrich 8%	Rick Santorum 8%, Jon Huntsman 7%, Michele Bachmann 1%, Gary Johnson 1%, Rick Perry 1%, Buddy Roemer 1%, Fred Karger <1%, Andy Martin 0%, Not sure 10%
Watchdog.org/Pulse Opinion Research Margin of error: ± 3% Sample size: 865	Jan. 4, 2012	Mitt Romney 37%	Ron Paul 19%	Jon Huntsman 16%	Rick Santorum 14%, Newt Gingrich 9%, Rick Perry <1%, Other <1%, Not sure 4%
The Washington Times/JZ Analytics Margin of error: ± 4.5% Sample size: 498	Jan. 4, 2012	Mitt Romney 38%	Ron Paul 24%	Rick Santorum 11%	Newt Gingrich 9%, Jon Huntsman 8%, Rick Perry 1%, Not sure 10%
Suffolk University/7 News Margin of error: ±4.4% Sample size: 500	Jan. 3–4, 2012	Mitt Romney 41%	Ron Paul 18%	Rick Santorum 8%	Newt Gingrich 7%, Jon Huntsman 7%, Buddy Roemer 1%, Michele Bachmann 1%, Fred Karger 0%, Rick Perry 0%, Undecided 17%
CNN/ORC Margin of error: ±4% Sample size: 554	Jan. 3, 2012	Mitt Romney 47%	Ron Paul 17%	Jon Huntsman 13%	Rick Santorum 10%, Newt Gingrich 9%, Michele Bachmann 1%, Rick Perry 0%, Someone else 1%, None 1%, No Opinion 1%
Suffolk University/7 News Margin of error: ±4.4% Sample size: 500	Jan. 2–3, 2012	Mitt Romney 43%	Ron Paul 14%	Newt Gingrich 9%	Jon Huntsman 7%, Rick Santorum 6%, Michele Bachmann 2%, Rick Perry 1%, Buddy Roemer 1%, Fred Karger 1%, Undecided 16%
Suffolk University/7 News Margin of error: ±4.4% Sample size: 500	Jan. 1–2, 2012	Mitt Romney 43%	Ron Paul 16%	Jon Huntsman 10%	Newt Gingrich 9%, Rick Santorum 5%, Michele Bachmann 2%, Rick Perry 2%, Buddy Roemer 0%, Fred Karger 0%, Undecided 13%
Suffolk University/7 News Margin of error: ±4.4% Sample size: 500	Dec. 31, 2011 – Jan. 1, 2012	Mitt Romney 43%	Ron Paul 17%	Jon Huntsman 9%	Newt Gingrich 8%, Rick Santorum 3%, Michele Bachmann 2%, Rick Perry 2%, Buddy Roemer 1%, Fred Karger 0%, Undecided 15%
Suffolk University/7 News Margin of error: ±4.4% Sample size: 500	Dec. 30–31, 2011	Mitt Romney 41%	Ron Paul 15%	Newt Gingrich 11%	Jon Huntsman 9%, Michele Bachmann 3%, Rick Santorum 3%, Rick Perry 2%, Buddy Roemer 1%, Fred Karger 0%, Undecided 16%
Magellan Strategies/NH Journal Margin of error: ±3.85%	Dec. 27–28, 2011	Mitt Romney 41%	Ron Paul 21%	Newt Gingrich 12%, Jon Huntsman 12%	Rick Santorum 4%, Michele Bachmann 4%, Rick Perry 3%, Some other candidate 2%, Undecided 1%
Public Policy Polling Margin of error: ±3.4% Sample size: 830	Dec. 27–28, 2011	Mitt Romney 36%	Ron Paul 21%	Newt Gingrich 13%	Jon Huntsman 12%, Michele Bachmann 7%, Rick Santorum 3%, Rick Perry 3%, Buddy Roemer 3%, Other 2%
	Dec. 27–28, 2011	Mitt Romney 37%	Ron Paul 23%	Newt Gingrich 16%	Jon Huntsman 16%, Not sure 8%
CNN/Time Magazine Margin of error: ±4% Sample size: 543	Dec. 21–27, 2011	Mitt Romney 44%	Ron Paul 17%	Newt Gingrich 16%	Jon Huntsman 9%, Rick Santorum 4%, Michele Bachmann 3%, Rick Perry 2%, None/No one 1%, No opinion 4%
Boston Globe/University of New Hampshire Margin of error: ±4.2% Sample size: 543	Dec. 12–19, 2011	Mitt Romney 39%	Newt Gingrich 17%	Ron Paul 17%	Jon Huntsman 11%, Rick Santorum 3%, Michele Bachmann 2%, Rick Perry 1%, Gary Johnson <1%, Buddy Roemer <1%, other 4%, undecided 8%
Public Policy Polling Margin of error: ±2.8% Sample size: 1,235	Dec. 16–18, 2011	Mitt Romney 35%	Ron Paul 19%	Newt Gingrich 17%	Jon Huntsman 13%, Michele Bachmann 5%, Rick Santorum 3%, Rick Perry 2%, Gary Johnson 1%, Undecided 4%
	Dec. 16–18, 2011	Mitt Romney 37%	Ron Paul 21%	Newt Gingrich 20%	Jon Huntsman 15%, Not sure 7%
American Research Group Margin of error: ±4% Sample size: 600	Dec. 11–14, 2011	Mitt Romney 35%	Ron Paul 21%	Newt Gingrich 16%	Jon Huntsman 13%, Michele Bachmann 4%, Rick Perry 2%, Rick Santorum 1%, Undecided 8%
Suffolk University/7NEWS Margin of error: ±4.9% Sample size: 400	Dec. 10–13, 2011	Mitt Romney 38%	Newt Gingrich 20%	Jon Huntsman 13%	Ron Paul 8%, Michele Bachmann 3%, Herman Cain 2%, Rick Santorum 2%, Buddy Roemer 2%, Gary Johnson 1%, Rick Perry 1%, Fred Karger 0%, Undecided 11%
Insider Advantage/Majority Opinion Margin of error: ±--% Sample size: 521	Dec. 12, 2011	Mitt Romney 29.1%	Newt Gingrich 23.9%	Ron Paul 20.6%	Jon Huntsman 11.3%, Michele Bachmann 3.7%, Rick Santorum 2.4%, Rick Perry 0.5%, Some other candidate 2.4%, No Opinion 6.1%
Rasmussen Margin of error: ±4% Sample size: 721	Dec. 12, 2011	Mitt Romney 33%	Newt Gingrich 22%	Ron Paul 18%	Jon Huntsman 10%, Michele Bachmann 3%, Rick Perry 3%, Rick Santorum 3%, Some other candidate 2%, Not sure 5%
CNN/Time Magazine Margin of error: ±4.5% Sample size: 507	Nov. 29 – Dec. 6, 2011	Mitt Romney 35%	Newt Gingrich 26%	Ron Paul 17%	Jon Huntsman 8%, Michele Bachmann 3%, Rick Perry 2%, Rick Santorum 2%, Other 1%, None 1%, No Opinion 6%
NBC News/Marist Margin of error: 3.7% Sample size: 696	Nov. 28–30, 2011	Mitt Romney 39%	Newt Gingrich 23%	Ron Paul 16%	Jon Huntsman 9%, Michele Bachmann 3%, Rick Perry 3%, Herman Cain 2%, Rick Santorum 1%, Undecided 4%
Rasmussen Reports Margin of error: 4% Sample size: 762	Nov. 28, 2011	Mitt Romney 34%	Newt Gingrich 24%	Ron Paul 14%	Jon Huntsman 11%, Herman Cain 5%, Michele Bachmann 2%, Rick Perry 2%, Rick Santorum 1%
University of New Hampshire/WMUR Margin of error: 4.8% Sample size: 413	Nov. 21–22, 2011	Mitt Romney 42%	Newt Gingrich 15%	Ron Paul 12%	Jon Huntsman 8%, Herman Cain 4%, Rick Perry 4%, Michele Bachmann 2%, Gary Johnson 1%, Buddy Roemer 1%, Rick Santorum 1%, Fred Karger 0%
The Polling Company Margin of error: ±4.4% Sample size: 500	Nov. 18–21, 2011	Mitt Romney 35%	Newt Gingrich 18%	Ron Paul 10%	Jon Huntsman 9%, Herman Cain 8%, Michele Bachmann 4%, Rick Perry 4%, Rick Santorum 2%
Suffolk University/7NEWS Margin of error: ±4.9% Sample size: 400	Nov. 16–20, 2011	Mitt Romney 41%	Newt Gingrich 14%	Ron Paul 14%	Jon Huntsman 9%, Herman Cain 8%, Rick Santorum 3%, Rick Perry 2%, Michele Bachmann 1%, Fred Karger 1%, Buddy Roemer 1%, Gary Johnson 0%, Undecided 9%
American Research Group Margin of error: ±4% Sample size: 600	Nov. 16–20, 2011	Mitt Romney 33%	Newt Gingrich 22%	Ron Paul 12%	Herman Cain 9%, Jon Huntsman 8%, Michele Bachmann 2%, Rick Perry 2%, Gary Johnson 1%, Buddy Roemer 1%, Rick Santorum 1%, Other 0%, Undecided 9%
Magellan Strategies Margin of error: ±3.59% Sample size: 746	Nov. 15–16, 2011	Mitt Romney 29%	Newt Gingrich 27%	Ron Paul 16%	Herman Cain 10%, Jon Huntsman 8%, Michele Bachmann 2%, Rick Perry 2%, Rick Santorum 1%, Other 2%, Undecided 3%
Bloomberg News Margin of error: ±4.4% Sample size: 504	Nov. 10–12, 2011	Mitt Romney 40%	Ron Paul 17%	Newt Gingrich 11%	Herman Cain 8%, Jon Huntsman 7%, Rick Perry 3%, Michele Bachmann 2%, Rick Santorum 1%, Other 1%, Not sure 10%
Rasmussen Reports Margin of error: ±4% Sample size: 816	Oct. 25, 2011	Mitt Romney 41%	Herman Cain 17%	Ron Paul 11%	Newt Gingrich 8%, Jon Huntsman 7%, Rick Perry 4%, Michele Bachmann 3%, Rick Santorum 1%, Other 2%, Undecided 5%
CNN/Time Magazine Margin of error: ±5% Sample size: 400	Oct. 20–25, 2011	Mitt Romney 40%	Herman Cain 13%	Ron Paul 12%	Jon Huntsman 6%, Newt Gingrich 5%, Rick Perry 4%, Michele Bachmann 2%, Rick Santorum 1%, None 5%, No Opinion 14%
AARP/GS Strategy Group Margin of error: ±4.9% Sample size: 400	Oct. 17–18, 2011	Mitt Romney 43%	Herman Cain 18%	Ron Paul 9%	Newt Gingrich 5%, Michele Bachmann 3%, Jon Huntsman 3%, Rick Perry 3%, Rick Santorum 1%, Undecided 15%
Magellan Strategies Margin of error: ±3.61% Sample size: 736	Oct. 12–13, 2011	Mitt Romney 41%	Herman Cain 20%	Ron Paul 10%	Newt Gingrich 6%, Jon Huntsman 6%, Michele Bachmann 4%, Rick Perry 2%, Rick Santorum 2%, Gary Johnson 1%, Undecided 8%
Harvard University/St. Anselm's New Hampshire Institute of Politics Margin of error: ±4.4% Sample size: 648	Oct. 2–6, 2011	Mitt Romney 38%	Herman Cain 20%	Ron Paul 13%	Newt Gingrich 5%, Jon Huntsman 4%, Rick Perry 4%, Michele Bachmann 3%, Gary Johnson 1%, Rick Santorum 1%, Don't know 11%
WMUR/University of New Hampshire Margin of error: ±5.3% Sample size: 345	Sep. 26 – Oct. 6, 2011	Mitt Romney 37%	Herman Cain 12%	Ron Paul 9%	Rudy Giuliani 8%, Jon Huntsman 8%, Newt Gingrich 4%, Rick Perry 4%, Sarah Palin 3%, Michele Bachmann 2%, Rick Santorum 2%, Gary Johnson <1%, Buddy Roemer <1%
NBC News-Marist Poll Margin of error: ±3.7% Sample size: 691	Oct. 3–5, 2011	Mitt Romney 44%	Herman Cain 13%	Ron Paul 13%	Rick Perry 6%, Jon Huntsman 5%, Newt Gingrich 4%, Michele Bachmann 2%, Gary Johnson 1%, Rick Santorum 1%, Undecided 11%
Rasmussen Reports Margin of error: ±4% Sample size: 750	Sep. 21, 2011	Mitt Romney 39%	Rick Perry 18%	Ron Paul 13%	Jon Huntsman 7%, Michele Bachmann 5%, Herman Cain 4%, Newt Gingrich 4%, Rick Santorum 2%, Other 3%, Undecided 4%
American Research Group Margin of error: ±4% Sample size: 600	Sep. 16–21, 2011	Mitt Romney 30%	Rick Perry 13%	Ron Paul 12%	Jon Huntsman 10%, Michele Bachmann 7%, Herman Cain 4%, Newt Gingrich 4%, Sarah Palin 4%, Rick Santorum 2%, Buddy Roemer 1%, Gary Johnson 0%, Other 1%
Suffolk University/7News Margin of error: ±5.3% Sample size: 400	Sep. 18–20, 2011	Mitt Romney 41%	Ron Paul 14%	Jon Huntsman 10%	Rick Perry 8%, Sarah Palin 6%, Michele Bachmann 5%, Newt Gingrich 4%, Rick Santorum 1%, Herman Cain 1%, Buddy Roemer 1%, Gary Johnson 0%, Fred Karger 0%, Thaddeus McCotter 0%
Magellen Strategies Margin of error: ±3.96% Sample size: 613	Aug. 15–16, 2011	Mitt Romney 36%	Rick Perry 18%	Ron Paul 14%	Michele Bachmann 10%, Herman Cain 3%, Jon Huntsman 3%, Newt Gingrich 2%, Rick Santorum 1%, other 3%, undecided 8%
American Research Group Margin of error: ±4% Sample size: 600	Jul. 9–13, 2011	Mitt Romney 29%	Michele Bachmann 12%	Rudy Giuliani 9%	Sarah Palin 8%, Newt Gingrich 7%, Tim Pawlenty 5%, Herman Cain 4%, Ron Paul 4%, Rick Perry 2%, Rick Santorum 2%, Other/Undecided 18%
Public Policy Polling Margin of error: ±5.3% Sample size: 341	Jun. 30 – Jul. 5, 2011	Mitt Romney 25%	Michele Bachmann 18%	Sarah Palin 11%	Ron Paul 9%, Herman Cain 7%, Rick Perry 7%, Jon Huntsman 6%, Tim Pawlenty 6%, Newt Gingrich 4%, someone else/not sure 7%
		Mitt Romney 28%	Michele Bachmann 21%	Ron Paul 9%	Rick Perry 9%, Herman Cain 7%, Jon Huntsman 7%, Tim Pawlenty 6%, Newt Gingrich 4%, someone else/not sure 9%
		Mitt Romney 26%	Chris Christie 20%	Michele Bachmann 14%	Rudy Giuliani 9%, Jeb Bush 8%, Sarah Palin 8%, Tim Pawlenty 5%, Paul Ryan 3%, someone else/not sure 8%
		Mitt Romney 65%	Sarah Palin 26%	–	Not sure 9%
		Mitt Romney 59%	Tim Pawlenty 25%	–	Not sure 16%
		Mitt Romney 53%	Rick Perry 28%	–	Not sure 19%
		Mitt Romney 49%	Michele Bachmann 37%	–	Not sure 14%
WMUR/University of New Hampshire Margin of error: ±5.2% Sample size: 357	Jun. 21 – Jul. 1, 2011	Mitt Romney 35%	Michele Bachmann 12%	Rudy Giuliani 7%	Ron Paul 7%, Rick Perry 4%, Sarah Palin 3%, Tim Pawlenty 3%, Herman Cain 2%, Jon Huntsman 2%, Newt Gingrich 1%, Gary Johnson 1%, Rick Santorum 1%
Suffolk University Margin of error: ±4.9% Sample size: 400	Jun. 25–27, 2011	Mitt Romney 36%	Michele Bachmann 11%	Ron Paul 8%	Rudy Giuliani 5%, Jon Huntsman 4%, Sarah Palin 4%, Herman Cain 2%, Tim Pawlenty 2%, Rick Perry 2%, Newt Gingrich 2%, George Pataki 1%, Rick Santorum 1%, John R. Bolton 0%, Jim DeMint 0%, Gary Johnson 0%, Fred Karger 0%, Roy Moore 0%, Buddy Roemer 0%, Undecided 21%
Magellan Strategies Margin of error: ±3.63% Sample size: 727	Jun. 14–15, 2011	Mitt Romney 42%	Michele Bachmann 10%	Ron Paul 10%	Sarah Palin 7%, Rudy Giuliani 6%, Tim Pawlenty 5%, Newt Gingrich 4%, Herman Cain 3%, Jon Huntsman 3%, Rick Santorum 2%
University of New Hampshire Margin of error: ±4.8% Sample size: 424	Jun. 1–8, 2011	Mitt Romney 41%	Rudy Giuliani 9%	Ron Paul 6%	Sarah Palin 5%, Michele Bachmann 4%, Herman Cain 4%, Newt Gingrich 3%, Jon Huntsman 3%, Tim Pawlenty 3%, Rick Santorum 3%, Gary Johnson <1%
CNN / WMUR / University of New Hampshire Margin of error: ±5.2% Sample size: 347	May 17–22, 2011	Mitt Romney 32%	Ron Paul 9%	Newt Gingrich 6%	Rudy Giuliani 6%, Sarah Palin 5%, Michele Bachmann 4%, Herman Cain 4%, Mitch Daniels 4%, Jon Huntsman 4%, Tim Pawlenty 4%, Rick Santorum 2%
Suffolk University/7 News Margin of error: ±4.9% Sample size: 400	Apr. 30 – May 2, 2011	Mitt Romney 35%	Ron Paul 8%	Donald Trump 8%	Rudy Giuliani 8%, Sarah Palin 7%, Mike Huckabee 6%, Tim Pawlenty 5%, Newt Gingrich 3%, Michele Bachmann 3%, Herman Cain 2%, Rick Santorum 2%, John R. Bolton 1%, Mitch Daniels 1%, Gary Johnson 1%, Jon Huntsman 1%, Fred Karger 0%, Roy Moore 0%, Buddy Roemer 0%, Undecided 13%
Public Policy Polling Margin of error: ±5.0% Sample size: 384	Mar. 31 – Apr. 3, 2011	Mitt Romney 31%	Mike Huckabee 15%	Newt Gingrich 13%	Sarah Palin 10%, Ron Paul 10%, Michele Bachmann 4%, Tim Pawlenty 4%, Haley Barbour 2%, someone else/undecided 12%
		Mitt Romney 37%	Newt Gingrich 14%	Sarah Palin 14%	Ron Paul 13%, Tim Pawlenty 5%, Michele Bachmann 4%, Haley Barbour 2%, someone else/undecided 11%
		Mitt Romney 37%	Mike Huckabee 14%	Newt Gingrich 13%	Ron Paul 13%, Michele Bachmann 7%, Tim Pawlenty 6%, Haley Barbour 2%, someone else/undecided 10%
		Mitt Romney 40%	Ron Paul 18%	Newt Gingrich 17%	Michele Bachmann 8%, Tim Pawlenty 5%, Haley Barbour 3%, someone else/undecided 10%
		Mitt Romney 29%	Rudy Giuliani 17%	Mike Huckabee 12%	Newt Gingrich 11%, Ron Paul 9%, Sarah Palin 6%, Michele Bachmann 5%, Tim Pawlenty 5%, someone else/undecided 7%
		Mitt Romney 27%	Donald Trump 21%	Newt Gingrich 12%	Mike Huckabee 12%, Ron Paul 9%, Sarah Palin 7%, Tim Pawlenty 4%, Michele Bachmann 3%, someone else/undecided 7%
WMUR/Granite State Poll Margin of error: ±5.2% Sample size: 357	Jan. 28 – Feb. 7, 2011	Mitt Romney 40%	Rudy Giuliani 10%	Mike Huckabee 7%	Tim Pawlenty 7%, Newt Gingrich 6%, Sarah Palin 6%, Ron Paul 5%, Donald Trump 3%, Haley Barbour 1%, Rick Santorum 1%
Strategic National Margin of error: ±3.2% Sample size: 940	Jan. 19, 2011	Mitt Romney 34%	Mike Huckabee 14%	Sarah Palin 13%	Newt Gingrich 9%, Tim Pawlenty 5%, Mitch Daniels 2%, Haley Barbour 1%, Rick Santorum 1%, John Thune 0%, other/undecided 22%
Magellan Strategies Margin of error: ±2.6% Sample size: 1451	Jan. 4, 2011	Mitt Romney 39%	Sarah Palin 16%	Mike Huckabee 10%	Newt Gingrich 8%, Ron Paul 7%, Tim Pawlenty 4%, Rick Santorum 3%, Haley Barbour 1%, other candidate 4%, undecided 8%
Public Policy Polling Margin of error: ±4.1% Sample size: 582	Oct. 27–29, 2010	Mitt Romney 40%	Mike Huckabee 13%	Newt Gingrich 10%	Sarah Palin 10%, Tim Pawlenty 4%, Mike Pence 3%, Mitch Daniels 1%, John Thune 1%, someone else/undecided 19%
Public Policy Polling Margin of error: ±2.9% Sample size: 1,134	Sep. 11–12, 2010	Mitt Romney 41%	Newt Gingrich 12%	Sarah Palin 12%	Mike Huckabee 10%, Ron Paul 8%, Tim Pawlenty 5%, Mitch Daniels 2%, other candidate 3%, undecided 7%
Public Policy Polling Margin of error: ±4.81% Sample size: 415	Jul. 23–25, 2010	Mitt Romney 31%	Newt Gingrich 14%	Ron Paul 13%	Mike Huckabee 12%, Sarah Palin 9%, Tim Pawlenty 3%, Mitch Daniels 1%, other candidate 5%, undecided 11%
Magellan Strategies Margin of error: ±4.4% Sample size: 505	May 25, 2010	Mitt Romney 40%	Newt Gingrich 16%	Sarah Palin 11%	Mike Huckabee 10%, Ron Paul 6%, Tim Pawlenty 5%, Rick Santorum 2%, other candidate 5%, undecided 6%
WMUR/Granite State Poll Margin of error: ±6.5% Sample size: 228	Apr. 18–28, 2010	Mitt Romney 41%	Sarah Palin 12%	Rudy Giuliani 11%	Mike Huckabee 9%, Ron Paul 6%, Newt Gingrich 5%, Tim Pawlenty 3%, Rick Santorum 2%, other candidate 3%, undecided 9%
Public Policy Polling Margin of error: ±3.9% Sample size: 642	Apr. 17–18, 2010	Mitt Romney 39%	Sarah Palin 13%	Newt Gingrich 11%	Mike Huckabee 11%, Ron Paul 7%, Tim Pawlenty 3%, Haley Barbour 1%, Rick Santorum 1%, undecided 13%
Now Hampshire/Populus Research Margin of error: ±5% Sample size: 403	Aug. 10–11, 2009	Mitt Romney 50%	Mike Huckabee 17%	Sarah Palin 17%	Newt Gingrich 13%, Tim Pawlenty 3%

South Carolina (January 21)

Main article: South Carolina Republican primary, 2012

Winner: Newt Gingrich
Primary date: January 21, 2012
Delegates: 25

Poll source	Date	1^st	2^nd	3^rd	Other
Primary results Turnout: 601,166	Jan. 21, 2012	Newt Gingrich 40.4%	Mitt Romney 27.8%	Rick Santorum 17.0%	Ron Paul 13.0%, Herman Cain 1.1%, Rick Perry 0.4%, Jon Huntsman 0.2%, Michele Bachmann 0.1%, Gary Johnson 0.0%
American Research Group Margin of error: ±4% Sample size: 600	Jan. 19–20, 2012	Newt Gingrich 40%	Mitt Romney 26%	Ron Paul 18%	Rick Santorum 13%, Other 1%, Undecided 2%
Public Policy Polling Margin of error: ±2.5% Sample size: 1,540	Jan. 18–20, 2012	Newt Gingrich 37%	Mitt Romney 28%	Rick Santorum 16%	Ron Paul 14%, Someone else/not sure 5%
Clemson University Margin of error: ±4.73% Sample size: 429	Jan. 18–19, 2012	Newt Gingrich 32%	Mitt Romney 26%	Ron Paul 11%	Rick Santorum 9%, Undecided 20%
Public Policy Polling Margin of error: ±3.4% Sample size: 836	Jan. 18–19, 2012	Newt Gingrich 35%	Mitt Romney 29%	Ron Paul 15%	Rick Santorum 15%, Someone else/not sure 5%
Rasmussen Margin of error: ±4% Sample size: 750	Jan. 18, 2012	Newt Gingrich 33%	Mitt Romney 31%	Ron Paul 15%	Rick Santorum 11%, Rick Perry 2%, Someone else 1%, Undecided 6%
Public Policy Polling Margin of error: ±5% Sample size: 379	Jan. 18, 2012	Newt Gingrich 34%	Mitt Romney 28%	Ron Paul 15%	Rick Santorum 14%, Rick Perry 5%, Buddy Roemer 3%, Someone else/Not sure 2%
Public Policy Polling Margin of error: ±5% Sample size: 379	Jan. 18, 2012	Newt Gingrich 31%	Mitt Romney 26%	Ron Paul 13%	Rick Santorum 13%, Stephen Colbert 8%, Rick Perry 6%, Buddy Roemer 1%, Someone else/Not sure 3%
InsiderAdvantage Margin of error: ±3.6% Sample size: 718	Jan. 18, 2012	Newt Gingrich 31.6%	Mitt Romney 28.8%	Ron Paul 15.2%	Rick Santorum 10.9%, Rick Perry 2.9%, Other/No opinion 10.4%
Politico/The Tarrance Group Margin of error: ±4.1% Sample size: 600	Jan. 17–18, 2012	Mitt Romney 37%	Newt Gingrich 30%	Ron Paul 11%	Rick Santorum 10%, Rick Perry 4%, Other <0.5%, Undecided 8%
American Research Group Margin of error: ±4% Sample size: 600	Jan. 17–18, 2012	Newt Gingrich 33%	Mitt Romney 32%	Ron Paul 19%	Rick Santorum 9%, Rick Perry 4%, Other <0.5%, Undecided 3%
Reuters/Ipsos Margin of error: Sample size: 656	Jan. 16–18, 2012	Mitt Romney 35%	Newt Gingrich 23%	Rick Santorum 15%	Ron Paul 13%, Rick Perry 6%, Wouldn't vote 8%, None/other 0%
Reuters/Ipsos Margin of error: Sample size: 656	Jan. 16–18, 2012	Mitt Romney 35%	Newt Gingrich 23%		DK/Ref 13%
NBC News/Marist Margin of error: ±3.8% Sample size: 684	Jan. 16–17, 2012	Mitt Romney 34%	Newt Gingrich 24%	Ron Paul 16%	Rick Santorum 14%, Rick Perry 4%, Other 1%, Undecided 8%
CNN/Time/ORC Margin of error: ±4.5% Sample size: 505	Jan. 13–17, 2012	Mitt Romney 33%	Newt Gingrich 23%	Rick Santorum 16%	Ron Paul 13%, Rick Perry 6%, Someone else 1%, None/No one 2%, No opinion 6%
Rasmussen Margin of error: ±4% Sample size: 720	Jan. 16, 2012	Mitt Romney 35%	Newt Gingrich 21%	Ron Paul 16%	Rick Santorum 16%, Rick Perry 5%
InsiderAdvantage Margin of error: ±3.8% Sample size: 720	Jan. 15, 2012	Mitt Romney 32%	Newt Gingrich 21%	Ron Paul 14%	Rick Santorum 13%, Jon Huntsman 6%, Rick Perry 5%, Undecided/No opinion 7%
Monmouth University Margin of error: ±3.2% Sample size: 963	Jan. 12–15, 2012	Mitt Romney 33%	Newt Gingrich 22%	Rick Santorum 14%	Ron Paul 12%, Rick Perry 6%, Jon Huntsman 4%, Undecided/other 9%
Public Policy Polling Margin of error: ±3.5% Sample size: 803	Jan. 11–13, 2012	Mitt Romney 29%	Newt Gingrich 24%	Ron Paul 15%	Rick Santorum 14%, Rick Perry 6%, Jon Huntsman 5%, Buddy Roemer 1%, Someone else/Not sure 6%
		Mitt Romney 48%	Newt Gingrich 37%		Not sure 15%
		Mitt Romney 63%	Ron Paul 28%		Not sure 9%
		Mitt Romney 56%	Rick Perry 31%		Not sure 12%
		Mitt Romney 48%	Rick Santorum 39%		Not sure 13%
Reuters/Ipsos Margin of error: Sample size: 398	Jan. 10–13, 2012	Mitt Romney 37%	Ron Paul 16%	Rick Santorum 16%	Newt Gingrich 12%, Rick Perry 6%, Jon Huntsman 3%, Wouldn't vote 1%, None/Other 10%
Reuters/Ipsos Margin of error: Sample size: 398	Jan. 10–13, 2012	Mitt Romney 62%	Newt Gingrich 30%		DK/Ref 8%
Rasmussen Reports Margin of error: ±4% Sample size: 750	Jan. 12, 2012	Mitt Romney 28%	Newt Gingrich 21%	Ron Paul 16%	Rick Santorum 16%, Rick Perry 6%, Jon Huntsman 5%, Some other candidate 1%, Undecided 8%
New Frontier Strategy Margin of error: ±3.44% Sample size: 810	Jan. 11–12, 2012	Mitt Romney 31.72%	Newt Gingrich 23.05%	Rick Santorum 13.88%	Ron Paul 9.67%, Rick Perry 5.58%, Jon Huntsman 4.34%, Undecided 11.77%
American Research Group Margin of error: ±4% Sample size: 600	Jan. 11–12, 2012	Mitt Romney 29%	Newt Gingrich 25%	Ron Paul 20%	Rick Perry 9%, Rick Santorum 7%, Jon Huntsman 1%, Other 2%, Undecided 7%
InsiderAdvantage/Majority Opinion Research Margin of error: ±3.1% Sample size: 726	Jan. 11, 2012	Mitt Romney 23.1%	Newt Gingrich 21.3%	Rick Santorum 13.5%	Ron Paul 13.3%, Jon Huntsman 6.7%, Rick Perry 5.2%, Someone else 1.7%, No opinion 15.2%
We Ask America Margin of error: ±3.1% Sample size: 993	Jan. 9, 2012	Mitt Romney 26%	Newt Gingrich 21%	Rick Santorum 13%	Ron Paul 8%, Rick Perry 5%, Jon Huntsman 4%, Undecided 22%
Public Policy Polling Margin of error: ±2.9% Sample size: 1,112	Jan. 5–7, 2012	Mitt Romney 30%	Newt Gingrich 23%	Rick Santorum 19%	Ron Paul 9%, Rick Perry 5%, Jon Huntsman 4%, Buddy Roemer 1%, Someone else/Not sure 9%
		Mitt Romney 27%	Newt Gingrich 23%	Rick Santorum 18%	Ron Paul 8%, Rick Perry 7%, Stephen Colbert 5%, Jon Huntsman 4%, Buddy Roemer 1%, Someone else/Not sure 8%
		Mitt Romney 49%	Newt Gingrich 35%		Not sure 16%
		Mitt Romney 67%	Ron Paul 23%		Not sure 10%
		Mitt Romney 57%	Rick Perry 29%		Not sure 15%
		Mitt Romney 45%	Rick Santorum 40%		Not sure 15%
Rasmussen Margin of error: ±4% Sample size: 750	Jan. 5, 2012	Mitt Romney 27%	Rick Santorum 24%	Newt Gingrich 18%	Ron Paul 11%, Rick Perry 5%, Jon Huntsman 2%, Other 2%, Undecided 11%
American Research Group Margin of error: ±4% Sample size: 600	Jan. 4–5, 2012	Mitt Romney 31%	Newt Gingrich 24%	Rick Santorum 24%	Ron Paul 9%, Jon Huntsman 2%, Rick Perry 2%, undecided 7%, other 1%
CNN/Time/ORC Margin of error: ±4.5% Sample size: 485	Jan. 4–5, 2012	Mitt Romney 37%	Rick Santorum 19%	Newt Gingrich 18%	Ron Paul 12%, Rick Perry 5%, Jon Huntsman 1%, no opinion 6%
Clemson University Margin of error: ±4.5% Sample size: 600	Dec. 6–19, 2011	Newt Gingrich 38%	Mitt Romney 21%	Ron Paul 10%	Michele Bachmann 5%, Rick Perry 5%, Jon Huntsman 3% Rick Santorum 2%, Undecided 16%
InsiderAdvantage/Majority Opinion Research Margin of error: Sample size: 736	Dec. 18, 2011	Newt Gingrich 30.6%	Mitt Romney 18.7%	Michele Bachmann 8.3%	Ron Paul 7.1%, Rick Perry 5.2%, Jon Huntsman 4.3% Rick Santorum 4.1%, Someone else 1.6%, No opinion 20.1%
NBC News-Marist Margin of error: ±3.9% Sample size: 635	Dec. 4–6, 2011	Newt Gingrich 42%	Mitt Romney 23%	Ron Paul 9%	Michele Bachmann 7%, Rick Perry 7%, Jon Huntsman 3%, Rick Santorum 2%, Undecided 8%
		Newt Gingrich 48%	Mitt Romney 30%	Ron Paul 12%	Undecided 9%
		Newt Gingrich 57%	Mitt Romney 33%	–	Undecided 10%
CNN/Time Magazine Margin of error: ±4.5% Sample size: 510	Nov. 29 – Dec. 6, 2011	Newt Gingrich 43%	Mitt Romney 20%	Rick Perry 8%	Michele Bachmann 6%, Ron Paul 6%, Rick Santorum 4%, Jon Huntsman 1%, No Opinion 11%
Winthrop University Margin of error: ±5.38% Sample size:	Nov. 27 – Dec. 4, 2011	Newt Gingrich 38.4%	Mitt Romney 21.5%	Rick Perry 9.0%	Herman Cain 6.6%, Michele Bachmann 5.4%, Ron Paul 4.1%, Rick Santorum 3.1%, Jon Huntsman 1.4%, Gary Johnson 0.0%, Other 0.7%, Not sure 9.1%, Refused 0.1%
Augusta Chronicle / InsiderAdvantage / Majority Opinion Research Margin of error: Sample size: 519	Nov. 28, 2011	Newt Gingrich 37.9%	Mitt Romney 15.4%	Herman Cain 12.9%	Ron Paul 6.9%, Rick Perry 3.7%%, Michele Bachmann 3.2%, Rick Santorum 2.2%, Someone else 4.6%, No opinion 13.2%
American Research Group Margin of error: ±4% Sample size: 600	Nov. 25–28, 2011	Newt Gingrich 33%	Mitt Romney 22%	Herman Cain 10%	Ron Paul 8%, Rick Perry 8%, Michele Bachmann 3%, Jon Huntsman 3%, Rick Santorum 1%, Undecided 12%
The Polling Company Margin of error: ±4.4% Sample size: 505	Nov. 18–21, 2011	Newt Gingrich 31%	Herman Cain 17%	Mitt Romney 16%	Rick Perry 6%, Michele Bachmann 5%, Ron Paul 5%, Jon Huntsman 3%, Rick Santorum 1%, Undecided 15%, Refused 2%
Newsmax/InsiderAdvantage Margin of error: ±4.3% Sample size: 457	Nov. 8, 2011	Herman Cain 25.6%	Newt Gingrich 18.9%	Mitt Romney 16.1	Rick Perry 6.1%, Michele Bachmann 4.7%, Ron Paul 3.1%, Rick Santorum 1.6%, Someone else 4.0%, No opinion 19.8%
Rasmussen Reports Margin of error: ±4% Sample size: 770	Nov. 1, 2011	Herman Cain 33%	Mitt Romney 23%	Newt Gingrich 15%	Rick Perry 9%, Ron Paul 5%, Michele Bachmann 2%, Jon Huntsman 1%, Rick Santorum 1%, some other candidate 1%, undecided 10%
		Herman Cain 50%	Mitt Romney 37%	–
		Herman Cain 56%	Rick Perry 27%	–
		Mitt Romney 49%	Rick Perry 30%	–
Clemson University Margin of error: ±4.5% Sample size: 600	Oct. 27 – Nov. 7, 2011	Mitt Romney 22%	Herman Cain 20%	Newt Gingrich 10%	Rick Perry 9%, Ron Paul 4%, Michele Bachmann 3%, Jon Huntsman 1%, Rick Santorum 1%, Undecided 31%
CNN/Time Magazine Margin of error: ±5% Sample size: 400	Oct. 20–25, 2011	Mitt Romney 25%	Herman Cain 23%	Ron Paul 12%	Rick Perry 11%, Newt Gingrich 8%, Michele Bachmann 4%, Jon Huntsman 1%, Rick Santorum 1%, None 5%, No Opinion 10%
AARP/GS Strategy Group Margin of error: ±4.9% Sample size: 400	Oct. 18–19, 2011	Herman Cain 28%	Mitt Romney 27%	Rick Perry 8%	Newt Gingrich 7%, Ron Paul 5%, Michele Bachmann 3%, Jon Huntsman 2%, Rick Santorum 1%, Undecided 19%
NBC News/Marist Poll Margin of error: ±3.1% Sample size: 992	Oct. 18, 2011	Herman Cain 28%	Mitt Romney 27%	Rick Perry 10%	Newt Gingrich 6%, Ron Paul 6%, Michele Bachmann 5%, Rick Santorum 2%, Jon Huntsman 1%, Gary Johnson 0%, Undecided 17%
InsiderAdvantage / Majority Opinion Research poll Margin of error: ±5.0% Sample size: 476	Oct. 16, 2011	Herman Cain 32%	Mitt Romney 16%	Rick Perry 12%	Newt Gingrich 8%, Michele Bachmann 6%, Ron Paul 6%, Jon Huntsman 1%, Other 4%, Undecided 15%
American Research Group Margin of error: ±4.0% Sample size: 600	Oct. 5–10, 2011	Herman Cain 26%	Mitt Romney 25%	Rick Perry 15%	Newt Gingrich 8%, Ron Paul 7%, Michele Bachmann 5%, Rick Santorum 1%, Other 1%, Undecided 12%
Winthrop University Margin of error: ±4.01% Sample size: 596	Sep. 11–18, 2011	Rick Perry 30.5%	Mitt Romney 27.3%	Herman Cain 7.7%	Sarah Palin 5.8%, Newt Gingrich 5.3%, Ron Paul 4.2%, Michele Bachmann 3.5%, Jon Huntsman 1.6%, Rick Santorum 1.5%, Other 0.2%, Not Sure 11.1%, Refused 1.2%
Public Policy Polling Margin of error: ±3.6% Sample size: 750	Aug. 25–28, 2011	Rick Perry 36%	Mitt Romney 13%	Sarah Palin 10%	Herman Cain 9%, Michele Bachmann 7%, Newt Gingrich 7%, Ron Paul 5%, Rick Santorum 4%, Jon Huntsman 2%, someone else/not sure 7%
		Rick Perry 36%	Mitt Romney 16%	Michele Bachmann 13%	Herman Cain 9%, Newt Gingrich 8%, Ron Paul 5%, Rick Santorum 4%, Jon Huntsman 2%, someone else/not sure 7%
		Rick Perry 50%	Mitt Romney 25%	Michele Bachmann 16%	not sure 9%
		Mitt Romney 45%	Michele Bachmann 40%	–	not sure 15%
		Rick Perry 59%	Mitt Romney 28%	–	not sure 13%
		Rick Perry 63%	Michele Bachmann 20%	–	not sure 18%
Magellan Strategies Margin of error: ±3.88% Sample size: 637	Aug. 22–23, 2011	Rick Perry 31%	Mitt Romney 20%	Michele Bachmann 14%	Herman Cain 9%, Newt Gingrich 5%, Ron Paul 4%, Jon Huntsman 2%, Rick Santorum 2%, Other candidate 4%, Undecided 9%
Public Policy Polling Margin of error: ±3.1% Sample size: 1000	Jun. 2–5, 2011	Mitt Romney 27%	Sarah Palin 18%	Herman Cain 12%	Newt Gingrich 12%, Michele Bachmann 9%, Ron Paul 7%, Tim Pawlenty 4%, Jon Huntsman 2%, Someone else/Undecided 9%
		Mitt Romney 30%	Herman Cain 15%	Newt Gingrich 15%	Michele Bachmann 13%, Ron Paul 10%, Tim Pawlenty 5%, Jon Huntsman 2%, Someone else/Undecided 11%
		Jim DeMint 35%	Mitt Romney 21%	Sarah Palin 11%	Herman Cain 8%, Newt Gingrich 6%, Michele Bachmann 5%, Ron Paul 4%, Tim Pawlenty 2%, Someone else/Undecided 8%
Public Policy Polling Margin of error: ±4.1% Sample size: 559	Jan. 28–30, 2011	Mike Huckabee 26%	Mitt Romney 20%	Sarah Palin 18%	Newt Gingrich 13%, Ron Paul 7%, Tim Pawlenty 4%, Mitch Daniels 3%, undecided 8%
	Jan. 28–30, 2011	Jim DeMint 24%	Mike Huckabee 20%	Mitt Romney 17%	Sarah Palin 12%, Newt Gingrich 10%, Ron Paul 4%, Tim Pawlenty 3%, Mitch Daniels 2%, undecided 8%
Public Policy Polling Margin of error: ±3.9% Sample size: 638	May 22–23, 2010	Newt Gingrich 25%	Mitt Romney 24%	Sarah Palin 22%	Mike Huckabee 19%, Ron Paul 7%, undecided 4%
	May 22–23, 2010	Jim DeMint 21%	Newt Gingrich 16%	Mitt Romney 16%	Mike Huckabee 15%, Sarah Palin 15%, Ron Paul 7%, undecided 10%

Florida (January 31)

Main article: Florida Republican primary, 2012

Winner: Mitt Romney
Primary date: January 31, 2012
Delegates: 50

Poll source	Date	1^st	2^nd	3^rd	Other
Primary results Turnout: 1,669,640	Jan. 31, 2012	Mitt Romney 46.4%	Newt Gingrich 31.9%	Rick Santorum 13.3%	Ron Paul 7.0%, Rick Perry 0.4%, Jon Huntsman 0.4%, Michele Bachmann 0.2%, Herman Cain 0.2%, Gary Johnson 0.1%
Public Policy Polling Margin of error: ±3% Sample size: 1,087	Jan. 28–30, 2012	Mitt Romney 39%	Newt Gingrich 31%	Rick Santorum 15%	Ron Paul 11%, Someone else/Not sure 5%
Insider Advantage/Majority Opinion Research Margin of error: ±3.8% Sample size: 646	Jan. 29, 2012	Mitt Romney 35.7%	Newt Gingrich 31.1%	Rick Santorum 12.4%	Ron Paul 12.2%, Someone else 2.0%, No opinion 6.6%
We Ask America Margin of error: ±2.84% Sample size: 1,188	Jan. 29, 2012	Mitt Romney 44%	Newt Gingrich 25%	Ron Paul 10%	Rick Santorum 10%, Undecided 11%
Rasmussen Reports Margin of error: ±4% Sample size: 750	Jan. 29, 2012	Mitt Romney 44%	Newt Gingrich 28%	Rick Santorum 12%	Ron Paul 10%, Some other candidate 1%, Undecided 5%
Suffolk University Margin of error: Sample size: 500	Jan. 28–29, 2012	Mitt Romney 47%	Newt Gingrich 27%	Rick Santorum 12%	Ron Paul 9%, Undecided 5%
Public Policy Polling Margin of error: ±3.6% Sample size: 733	Jan. 28–29, 2012	Mitt Romney 39%	Newt Gingrich 32%	Rick Santorum 14%	Ron Paul 11%, Someone else/Not sure 4%
Quinnipiac Margin of error: ±4.2% Sample size: 539	Jan. 27–29, 2012	Mitt Romney 43%	Newt Gingrich 29%	Ron Paul 11%	Rick Santorum 11%, Don't know/No answer 7%
Survey USA Margin of error: ±4.2% Sample size: 500	Jan. 27–29, 2012	Mitt Romney 41%	Newt Gingrich 26%	Ron Paul 12%	Rick Santorum 12%
Public Policy Polling Margin of error: ±5% Sample size: 387	Jan. 28, 2012	Mitt Romney 40%	Newt Gingrich 32%	Rick Santorum 15%	Ron Paul 9%, Someone else/Not sure 4%
Miami Herald/War Room Logistics Margin of error: ±2.5% Sample size: 1,632	Jan. 27, 2012	Mitt Romney 40.4%	Newt Gingrich 30.1%	Rick Santorum 15.3%	Ron Paul 5.9%, Undecided 8.3%
Reuters/Ipsos Margin of error: ±4.2% Sample size: 732	Jan. 26–27, 2012	Mitt Romney 41%	Newt Gingrich 33%	Rick Santorum 13%	Ron Paul 5%, Other/undecided 8%
NBC News/Marist Margin of error: ±3.8% Sample size: 682	Jan. 25–27, 2012	Mitt Romney 42%	Newt Gingrich 27%	Rick Santorum 16%	Ron Paul 11%, Undecided 4%
Mason-Dixon Polling and Research/Bay News 9 Margin of error: ±4.5% Sample size: 500	Jan. 24–26, 2012	Mitt Romney 42%	Newt Gingrich 31%	Rick Santorum 14%	Ron Paul 6%, Undecided 7%
Sunshine State News/Voter Survey Service Margin of error: ±3.33% Sample size: 865	Jan. 24–26, 2012	Mitt Romney 40%	Newt Gingrich 31%	Rick Santorum 12%	Ron Paul 9%, Other 1%, Undecided 6%
Quinnipiac University Margin of error: ±4.1% Sample size: 580	Jan. 24–26, 2012	Mitt Romney 38%	Newt Gingrich 29%	Ron Paul 14%	Rick Santorum 12%, Someone else 1%, DK/NA 6%
Rasmussen Reports Margin of error: ±4% Sample size: 750	Jan. 25, 2012	Mitt Romney 39%	Newt Gingrich 31%	Rick Santorum 12%	Ron Paul 9%, Someone else 4%, No opinion 7%
Insider Advantage/Majority Opinion Research Margin of error: ±4% Sample size: 530	Jan. 25, 2012	Mitt Romney 40.3%	Newt Gingrich 32.3%	Ron Paul 9.0%	Rick Santorum 8.1%, Someone else 1.5%, No opinion 8.8%
Monmouth University Margin of error: ±4.2% Sample size: 540	Jan. 24–25, 2012	Mitt Romney 39%	Newt Gingrich 32%	Rick Santorum 11%	Ron Paul 8%, Other 3%, Undecided 7%
Dixie Strategies/First Coast News Margin of error: ±1.93% Sample size: 2,567	Jan. 23–25, 2012	Newt Gingrich 35.46%	Mitt Romney 35.08%	Rick Santorum 9.38%	Ron Paul 7.42%, Someone else 3.93%, No opinion 8.74%
Univision News/ABC/Latino Decisions Margin of error: ±4.4% Sample size: 517	Jan. 24, 2012	Mitt Romney 35%	Newt Gingrich 20%	Rick Santorum 7%	Ron Paul 6%, Somebody else 8%, Don't know 21%, Refused 2%
American Research Group Margin of error: ±4% Sample size: 600	Jan. 23–24, 2012	Mitt Romney 41%	Newt Gingrich 34%	Rick Santorum 9%	Ron Paul 7%, Other 3%, Undecided 6%
CNN/Time/ORC International Margin of error: ±5% Sample size: 369	Jan. 22–24, 2012	Mitt Romney 36%	Newt Gingrich 34%	Rick Santorum 11%	Ron Paul 9%, Unsure 7%
We Ask America Margin of error: ±3.19% Sample size: 946	Jan. 23, 2012	Mitt Romney 34%	Newt Gingrich 32%	Rick Santorum 9%	Ron Paul 8%, Undecided 17%
Florida Chamber of Commerce/Cherry Communications Margin of error: ±4.4% Sample size: 504	Jan. 22–23, 2012	Mitt Romney 33.13%	Newt Gingrich 32.95%	Rick Santorum 10.32%	Ron Paul 6.15%, Other 1.19%, Undecided 12.90%
Public Policy Polling Margin of error: ±3.2% Sample size: 921	Jan. 22–23, 2012	Newt Gingrich 38%	Mitt Romney 33%	Rick Santorum 13%	Ron Paul 10%, Someone else/Not sure 6%
	Jan. 22–23, 2012	Newt Gingrich 43%	Mitt Romney 36%	Ron Paul 12%	Not sure 9%
Quinnipiac University Margin of error: ±4% Sample size: 601	Jan. 19–23, 2012	Mitt Romney 36%	Newt Gingrich 34%	Rick Santorum 13%	Ron Paul 10%, Someone else 1%, DK/NA 7%
Rasmussen Reports Margin of error: ±4% Sample size: 750	Jan. 22, 2012	Newt Gingrich 41%	Mitt Romney 32%	Rick Santorum 11%	Ron Paul 8%, Undecided 9%
Insider Advantage/Majority Opinion Research Margin of error: ±4% Sample size: 557	Jan. 22, 2012	Newt Gingrich 34.4%	Mitt Romney 25.6%	Ron Paul 13.1%	Rick Santorum 10.7%, Someone else 2.4%, No opinion 13.8%
CNN/Time/ORC International Margin of error: ±5% Sample size: 391	Jan. 13–17, 2012	Mitt Romney 43%	Rick Santorum 19%	Newt Gingrich 18%	Ron Paul 9%, Rick Perry 2%, None/No one 3%, No opinion 6%
Public Policy Polling Margin of error: ±4.1% Sample size: 572	Jan. 14–16, 2012	Mitt Romney 41%	Newt Gingrich 26%	Rick Santorum 11%	Ron Paul 10%, Rick Perry 4%, Buddy Roemer 1%, Undecided 7%
		Mitt Romney 50%	Newt Gingrich 38%		Undecided 12%
		Mitt Romney 76%	Ron Paul 17%		Undecided 7%
		Mitt Romney 69%	Rick Perry 21%		Undecided 10%
		Mitt Romney 59%	Rick Santorum 29%		Undecided 11%
American Research Group Margin of error: ±4% Sample size: 600	Jan. 13–15, 2012	Mitt Romney 42%	Newt Gingrich 25%	Rick Santorum 9%	Ron Paul 8%, Jon Huntsman 5%, Rick Perry 3%, Other 1%, Undecided 8%
Sunshine State News/Voter Survey Service Margin of error: ±2.75% Sample size: 1,266	Jan. 11–14, 2012	Mitt Romney 46%	Newt Gingrich 20%	Rick Santorum 12%	Ron Paul 9%, Rick Perry 3%, Other 1%, Undecided 8%
	Jan. 11–14, 2012	Mitt Romney 44%	Newt Gingrich 20%	Rick Santorum 12%	Ron Paul 8%, Jon Huntsman 5%, Rick Perry 3%, Other 1%, Undecided 8%
Rasmussen Reports Margin of error: ±4% Sample size: 750	Jan. 11, 2012	Mitt Romney 41%	Newt Gingrich 19%	Rick Santorum 15%	Ron Paul 9%, Jon Huntsman 5%, Rick Perry 2%, Other 1%, Undecided 8%
Survey USA Margin of error: ±4.1% Sample size: 500	Jan. 8, 2012	Mitt Romney 36%	Newt Gingrich 25%	Rick Santorum 17%	Ron Paul 7%, Other 5%, Undecided 10%
Quinnipiac University Margin of error: ±4.1% Sample size: 560	Jan. 4–8, 2012	Mitt Romney 36%	Newt Gingrich 24%	Rick Santorum 16%	Ron Paul 10%, Rick Perry 5%, Jon Huntsman 2%, Undecided 7%
NBC News-Marist Margin of error: Sample size: 780	Dec. 15–19, 2011	Mitt Romney 27%	Newt Gingrich 26%	Ron Paul 5%	Michele Bachmann 4%, Rick Perry 4%, Jon Huntsman 1%, Rick Santorum 1%, Undecided 31%
NBC News-Marist Margin of error: ±4.5% Sample size: 469	Dec. 4–7, 2011	Newt Gingrich 44%	Mitt Romney 29%	Ron Paul 8%	Rick Perry 4%, Michele Bachmann 3%, Jon Huntsman 3%, Rick Santorum 2%, Undecided 8%
		Newt Gingrich 51%	Mitt Romney 31%	Ron Paul 10%	Undecided 9%
		Newt Gingrich 54%	Mitt Romney 36%	–	Undecided 10%
Survey USA Margin of error: ±4.5% Sample size: 500	Dec. 5–6, 2011	Newt Gingrich 45%	Mitt Romney 23%	Michele Bachmann 6%	Rick Perry 5%, Ron Paul 4%, Jon Huntsman 3%, Rick Santorum 2%, Other 3%, Undecided 9%
Survey USA Margin of error: ±4.5% Sample size: 500	Dec. 5–6, 2011	Newt Gingrich 57%	Mitt Romney 30%	–	Undecided 13%
CNN/Time Magazine Margin of error: ±4.5% Sample size: 446	Nov. 29 – Dec. 6, 2011	Newt Gingrich 48%	Mitt Romney 25%	Ron Paul 5%	Michele Bachmann 3%, Jon Huntsman 3%, Rick Perry 3%, Rick Santorum 1%, Other 1%, None 3%, No Opinion 7%
Quinnipiac Margin of error: ±4.3% Sample size: 509	Nov. 28 – Dec. 5, 2011	Newt Gingrich 35%	Mitt Romney 22%	Herman Cain 8%	Ron Paul 8%, Michele Bachmann 4%, Rick Perry 4%, Jon Huntsman 2%, Rick Santorum 2%, Someone Else 1%, Wouldn't Vote 2%, Don't Know/No Answer 12%
Quinnipiac Margin of error: ±4.3% Sample size: 509	Nov. 28 – Dec. 5, 2011	Newt Gingrich 52%	Mitt Romney 34%	–	Someone Else 2%, Wouldn't Vote 4%, Don't Know/No Answer 9%
Public Policy Polling Margin of error: ±4.5% Sample size: 470	Nov. 28–30, 2011	Newt Gingrich 47%	Mitt Romney 17%	Herman Cain 15%	Ron Paul 5%, Michele Bachmann 4%, Jon Huntsman 3%, Rick Perry 2%, Rick Santorum 1%, Gary Johnson 0%, Someone Else 7%
American Research Group, Inc. Margin of error: ±4% Sample size: 600	Nov. 27–30, 2011	Newt Gingrich 50%	Mitt Romney 19%	Herman Cain 10%	Jon Huntsman 3%, Ron Paul 2%, Rick Perry 2%, Michele Bachmann 1%, Buddy Roemer 1%, Rick Santorum 1%, Other 1%, Undecided 10%
Newsmax / InsiderAdvantage / Majority Opinion Research Margin of error: ±4% Sample size: 513	Nov. 29, 2011	Newt Gingrich 41%	Mitt Romney 17%	Herman Cain 13%	Rick Perry 7%, Ron Paul 4%, Michele Bachmann 3%, Rick Santorum 1%, Other 3%, No opinion 11%
Rasmussen Reports Margin of error: ±4% Sample size: 788	Nov. 8, 2011	Herman Cain 30%	Mitt Romney 24%	Newt Gingrich 19%	Rick Perry 4%, Michele Bachmann 3%, Ron Paul 3%, Jon Huntsman 2%, Rick Santorum 1%
Quinnipiac University Margin of error: ±4.3% Sample size: 513	Oct. 31 – Nov. 7, 2011	Herman Cain 27%	Mitt Romney 21%	Newt Gingrich 17%	Rick Perry 5%, Michele Bachmann 4%, Ron Paul 3%, Jon Huntsman 1%, Rick Santorum 1%, Unknown 16%
Suffolk University / WSVN-TV Margin of error: ±3.5% Sample size: 287	Oct. 26–30, 2011	Mitt Romney 25%	Herman Cain 24%	Newt Gingrich 11%	Rick Perry 9%, Ron Paul 5%, Jon Huntsman 2%, Michele Bachmann 1%, Gary Johnson 1%, Rick Santorum 1%, Fred Karger 0%, Buddy Roemer 0%, Other 1%
CNN/Time Magazine Margin of error: ±5% Sample size: 401	Oct. 20–25, 2011	Mitt Romney 30%	Herman Cain 18%	Newt Gingrich 9%	Rick Perry 9%, Ron Paul 6%, Michele Bachmann 4%, Jon Huntsman 1%, Rick Santorum 1%, Someone Else 1%, None 7%, No Opinion 14%
AARP/GS Strategy Group Margin of error: ±4.38% Sample size: 500	Oct. 18–19, 2011	Mitt Romney 31%	Herman Cain 29%	Newt Gingrich 12%	Rick Perry 9%, Ron Paul 3%, Michele Bachmann 1%, Jon Huntsman 1%, Rick Santorum 1%, Undecided 14%
NBC News/Marist Margin of error: ±3.6% Sample size: 748	Oct. 18, 2011	Mitt Romney 30%	Herman Cain 29%	Rick Perry 9%	Ron Paul 7%, Newt Gingrich 6%, Michele Bachmann 3%, Jon Huntsman 2%, Gary Johnson 1%, Rick Santorum 1%, Undecided 13%
Insider Advantage Margin of error: ±4.0% Sample size: 505	Oct. 16, 2011	Mitt Romney 32.6%	Herman Cain 30.2%	Newt Gingrich 11.7%	Rick Perry 2.9%, Ron Paul 2.7%, Michele Bachmann 1.6%, Jon Huntsman 0.2%, Someone Else 1.8%, No Opinion 16.3%
American Research Group Margin of error: ±4.0% Sample size: 600	Oct. 7–12, 2011	Herman Cain 34%	Mitt Romney 28%	Newt Gingrich 11%	Rick Perry 5%, Ron Paul 4%, Michele Bachmann 3%, Jon Huntsman 1%, Buddy Roemer 1%, Rick Santorum 1%, Undecided 12%
War Room Logistics Margin of error: ±4.14% Sample size: 561	Sep. 30, 2011	Mitt Romney 28.2%	Herman Cain 23.7%	Newt Gingrich 9.8%	Rick Perry 9.1%, Michele Bachmann 3.4%, Ron Paul 3.4%, Jon Huntsman 1.8%, Rick Santorum 0.5%, Undecided 20.1%
SurveyUSA Margin of error: ±4.5% Sample size: 500	Sep. 24–27, 2011	Mitt Romney 27%	Herman Cain 25%	Rick Perry 13%	Newt Gingrich 6%, Michele Bachmann 5%, Ron Paul 5%, Jon Huntsman 3%, Rick Santorum 2%, Undecided 12%, Other 4%
Public Policy Polling Margin of error: ±4.5% Sample size: 472	Sep. 22–25, 2011	Mitt Romney 30%	Rick Perry 24%	Newt Gingrich 10%	Ron Paul 8%, Herman Cain 7%, Michele Bachmann 6%, Jon Huntsman 3%, Rick Santorum 2%, Someone else/Not sure 9%
	Sep. 22–25, 2011	Mitt Romney 45%	Rick Perry 36%		Not sure 19%
War Room Logistics Margin of error: ±4.0% Sample size: 572	Sep. 20, 2011	Mitt Romney 25.0%	Rick Perry 24.7%	Newt Gingrich 8.7%	Ron Paul 7.5%, Michele Bachmann 5.2%, Herman Cain 4.9%, Jon Huntsman 2.4%, Rick Santorum 0.9%, Undecided 20.6%
Quinnipiac University Margin of error: ±5.1% Sample size: 374	Sep. 14–19, 2011	Rick Perry 28%	Mitt Romney 22%	Sarah Palin 8%	Herman Cain 7%, Newt Gingrich 7%, Ron Paul 6%, Michele Bachmann 5%, Jon Huntsman 2%, Rick Santorum 2%, Thaddeus McCotter 0%, someone else 1%, wouldn't vote 1%
		Rick Perry 31%	Mitt Romney 22%	Herman Cain 8%	Newt Gingrich 8%, Michele Bachmann 7%, Ron Paul 6%, Jon Huntsman 2%, Rick Santorum 2%, Thaddeus McCotter 0%, someone else 1%, wouldn't vote 1%, DK/NA 13%
		Rick Perry 46%	Mitt Romney 38%	-	someone else 2%, wouldn't vote 2%, DK/NA 12%
Insider Advantage Margin of error: ±4.5% Sample size: 456	Sep. 13, 2011	Rick Perry 29%	Mitt Romney 20%	Newt Gingrich 9%	Michele Bachmann 8%, Herman Cain 6%, Ron Paul 5%, Jon Huntsman 1%, Rick Santorum 2%, No opinion 21%
Sachs/Mason-Dixon Margin of error: ±5.8% Sample size: 625	Aug. 18–22, 2011	Mitt Romney 28%	Rick Perry 21%	Michele Bachmann 13%	Herman Cain 7%, Newt Gingrich 5%, Ron Paul 4%, Rick Santorum 2%, Jon Huntsman <1%, Someone else 3%, Undecided 17%
McLaughlin & Associates Margin of error: ±6.6% Sample size: 223	Aug. 8–9, 2011	Mitt Romney 27%	Rick Perry 16%	Michele Bachmann 10%	Herman Cain 5%, Newt Gingrich 5%, Ron Paul 5%, Jon Huntsman 3%, Tim Pawlenty 1%, Rick Santorum 0%, Other 6%, Undecided 22%
Quinnipiac University Margin of error: ±4.3% Sample size: 510	Jul. 27 – Aug. 2, 2011	Mitt Romney 23%	Rick Perry 13%	Sarah Palin 9%	Ron Paul 9%, Herman Cain 8%, Michele Bachmann 6%, Newt Gingrich 4%, Tim Pawlenty 3%, Jon Huntsman 1%, Rick Santorum 1%, Thaddeus McCotter 0%, Someone else 3%, Wouldn't vote 3%, Don't know/no answer 17%
		Mitt Romney 27%	Michele Bachmann 10%	Herman Cain 10%	Sarah Palin 9%, Ron Paul 9%, Tim Pawlenty 5%, Newt Gingrich 4%, Jon Huntsman 1%, Rick Santorum 1%, Thaddeus McCotter 0%, Someone else 3%, Wouldn't vote 3%, Don't know/no answer 18%
		Mitt Romney 24%	Rick Perry 14%	Ron Paul 10%	Herman Cain 9%, Michele Bachmann 7%, Newt Gingrich 5%, Tim Pawlenty 3%, Jon Huntsman 1%, Rick Santorum 1%, Thaddeus McCotter 0%, Someone else 3%, Wouldn't vote 3%, Don't know/no answer 19%
American Research Group Margin of error: ±4% Sample size: 600	Jul. 18–24, 2011	Rick Perry 16%	Michele Bachmann 15%	Mitt Romney 15%	Sarah Palin 13%, Herman Cain 11%, Rudy Giuliani 7%, Ron Paul 4%, Newt Gingrich 3%, Jon Huntsman 1%, Tim Pawlenty 1%, Rick Santorum 1%, Gary Johnson 0%
Public Policy Polling Margin of error: ±5.1% Sample size: 377	Jun. 16–19, 2011	Mitt Romney 27%	Michele Bachmann 17%	Sarah Palin 17%	Herman Cain 10%, Newt Gingrich 8%, Ron Paul 7%, Tim Pawlenty 4%, Jon Huntsman 2%, someone else/not sure 9%
		Mitt Romney 29%	Michele Bachmann 22%	Herman Cain 14%	Newt Gingrich 10%, Ron Paul 8%, Tim Pawlenty 6%, Jon Huntsman 2%, someone else/not sure 9%
		Jeb Bush 27%	Mitt Romney 17%	Sarah Palin 14%	Michele Bachmann 12%, Chris Christie 12%, Rudy Giuliani 6%, Paul Ryan 4%, Tim Pawlenty 2%, someone else/not sure 7%
Suffolk University/7 News Margin of error: Sample size: 217	Apr. 10–12, 2011	Mitt Romney 33%	Mike Huckabee 14%	Newt Gingrich 9%	Donald Trump 8%, Sarah Palin 8%, Haley Barbour 4%, Tim Pawlenty 3%, Ron Paul 2%, Michele Bachmann 1%, Undecided 17%, Other 2%
Sachs/Mason-Dixon Margin of error: ±4.9% Sample size: 400	Apr. 4–7, 2011	Mitt Romney 23%	Mike Huckabee 18%	Donald Trump 13%	Newt Gingrich 11%, Tim Pawlenty 8%, Sarah Palin 5%, Mitch Daniels 4%, Ron Paul 3%, Michele Bachmann 1%, Rick Santorum 1%
Public Policy Polling Margin of error: ±4.7% Sample size: 427	Mar. 24–27, 2011	Newt Gingrich 18%	Mike Huckabee 18%	Mitt Romney 18%	Sarah Palin 15%, Michele Bachmann 7%, Tim Pawlenty 6%, Ron Paul 6%, Haley Barbour 3%, someone else/undecided 8%
		Newt Gingrich 24%	Mitt Romney 23%	Sarah Palin 19%	Ron Paul 9%, Michele Bachmann 7%, Tim Pawlenty 6%, Haley Barbour 3%, someone else/undecided 9%
		Mike Huckabee 24%	Newt Gingrich 22%	Mitt Romney 22%	Michele Bachmann 9%, Ron Paul 6%, Tim Pawlenty 6%, Haley Barbour 2%, someone else/undecided 9%
		Newt Gingrich 30%	Mitt Romney 28%	Michele Bachmann 11%	Tim Pawlenty 10%, Ron Paul 9%, Haley Barbour 3%, someone else/undecided 8%
		Newt Gingrich 17%	Mike Huckabee 17%	Mitt Romney 17%	Rudy Giuliani 16%, Sarah Palin 11%, Michele Bachmann 6%, Tim Pawlenty 6%, Ron Paul 4%, someone else/undecided 6%
		Jeb Bush 30%	Newt Gingrich 14%	Mike Huckabee 14%	Mitt Romney 14%, Sarah Palin 9%, Michele Bachmann 5%, Tim Pawlenty 4%, Ron Paul 4%, someone else/undecided 6%
Public Policy Polling Margin of error: ±4.9% Sample size: 400	Dec. 17–20, 2010	Mike Huckabee 23%	Mitt Romney 21%	Newt Gingrich 18%	Sarah Palin 13%, Ron Paul 8%, Tim Pawlenty 4%, Mitch Daniels 2%, John Thune 1%, someone else/undecided 10%
Public Policy Polling Margin of error: ±5.9% Sample size: 280	Oct. 30–31, 2010	Mitt Romney 28%	Sarah Palin 22%	Newt Gingrich 15%	Mike Huckabee 15%, Tim Pawlenty 4%, Mike Pence 2%, Mitch Daniels 1%, John Thune 1%, someone else/undecided 12%
Public Policy Polling Margin of error: ±5.0% Sample size: 400	Jul. 16–18, 2010	Mitt Romney 31%	Newt Gingrich 23%	Sarah Palin 23%	Mike Huckabee 15%, Ron Paul 6%, undecided 4%
Magellan Strategies Margin of error: ±3.88% Sample size: 639	Mar. 11, 2010	Mitt Romney 29%	Sarah Palin 20%	Mike Huckabee 15%	Newt Gingrich 13%, Ron Paul 5%, Tim Pawlenty 3%, other candidate 5% undecided 10%
Public Policy Polling Margin of error: ±4.4% Sample size: 492	Mar. 5–8, 2010	Mitt Romney 52%	Mike Huckabee 21%	Sarah Palin 18%	undecided 9%

Nevada (February 4)

Main article: Nevada Republican caucuses, 2012

Winner: Mitt Romney
Caucus date: February 4, 2012
Delegates: 28

Poll source	Date	1^st	2^nd	3^rd	Other
Caucus results Turnout: 32,963	Feb. 4, 2012	Mitt Romney 50.1%	Newt Gingrich 21.1%	Ron Paul 18.8%	Rick Santorum 10.0%
Public Policy Polling Margin of error: ±3.2% Sample size: 937 LCV	Feb. 1–2, 2012	Mitt Romney 50%	Newt Gingrich 25%	Ron Paul 15%	Rick Santorum 8%, Not sure/Someone else 1%
Las Vegas Review Journal/University of Nevada Margin of error: ±4.75% Sample size: 426 LV	Feb. 1, 2012	Mitt Romney 45%	Newt Gingrich 25%	Rick Santorum 11%	Ron Paul 9%, Undecided 9%
2012NevadaCaucus.com Margin of error: ±5% Sample size: 300	Jan. 31-Feb. 1, 2012	Mitt Romney 34%	Ron Paul 24%	Newt Gingrich 14%	Rick Santorum 9%, Undecided 19%
Public Policy Polling Margin of error: ±4.6% Sample size: 450	Oct. 20–23, 2011	Mitt Romney 29%	Herman Cain 28%	Newt Gingrich 15%	Ron Paul 7%, Rick Perry 6%, Michele Bachmann 3%, Jon Huntsman 2%, Rick Santorum 2%, Gary Johnson 0%, someone else/undecided 9%
		Mitt Romney 65%	Rick Perry 20%	–	not sure 15%
		Mitt Romney 48%	Herman Cain 40%	–	not sure 13%
		Herman Cain 60%	Rick Perry 22%	–	not sure 17%
Magellan Strategies Margin of error: ±3.77% Sample size: 673	Oct. 19–20, 2011	Mitt Romney 38%	Herman Cain 26%	Newt Gingrich 16%	Ron Paul 7%, Rick Perry 5%, Michele Bachmann 2%, Jon Huntsman 1%, Rick Santorum 1%, Other candidate 1%, Undecided 3%
Project New West Margin of error: ±7.1% Sample size: 190	Sep. 25–27, 2011	Mitt Romney 31%	Herman Cain 26%	Rick Perry 12%	Newt Gingrich 7%, Ron Paul 7%, Michele Bachmann 4%, Rick Santorum 2%, Jon Huntsman 1%, Other candidate 3%, Undecided 7%
Magellan Strategies Margin of error: ±3.9% Sample size: 631	Aug. 29, 31, 2011	Rick Perry 29%	Mitt Romney 24%	Herman Cain 7%	Michele Bachmann 6%, Ron Paul 6%, Newt Gingrich 5%, Jon Huntsman 1%, Rick Santorum 1%, Other candidate 2%, Undecided 19%
Public Policy Polling Margin of error: ±3.6% Sample size: 732	Jul. 28–31, 2011	Mitt Romney 31%	Rick Perry 18%	Michele Bachmann 10%	Sarah Palin 10%, Ron Paul 9%, Herman Cain 7%, Newt Gingrich 6%, Tim Pawlenty 1%, Jon Huntsman 1%, Someone else/undecided 6%
	Jul. 28–31, 2011	Mitt Romney 31%	Rick Perry 18%	Michele Bachmann 14%	Ron Paul 11%, Herman Cain 8%, Newt Gingrich 8%, Jon Huntsman 2%, Tim Pawlenty 1%, Someone else/undecided 7%
Public Policy Polling Margin of error: ±5.7% Sample size: 300	Apr. 21–24, 2011	Mitt Romney 24%	Donald Trump 16%	Newt Gingrich 11%	Mike Huckabee 10%, Sarah Palin 8%, Tim Pawlenty 8%, Michele Bachmann 7%, Ron Paul 5%, someone else/undecided 12%
		Mitt Romney 29%	Newt Gingrich 17%	Sarah Palin 12%	Michele Bachmann 9%, Mike Huckabee 9%, Ron Paul 7%, Tim Pawlenty 7%, someone else/undecided 9%
		Mitt Romney 33%	Newt Gingrich 18%	Sarah Palin 14%	Michele Bachmann 11%, Tim Pawlenty 9%, Ron Paul 6%, someone else/undecided 8%
		Mitt Romney 31%	Newt Gingrich 16%	Mike Huckabee 15%	Michele Bachmann 11%, Tim Pawlenty 10%, Ron Paul 8%, someone else/undecided 9%
		Mitt Romney 38%	Newt Gingrich 21%	Michele Bachmann 14%	Ron Paul 10%, Tim Pawlenty 8%, someone else/undecided 10%
Public Policy Polling Margin of error: ±4.9% Sample size: 400	Jan. 3–5, 2011	Mitt Romney 31%	Sarah Palin 19%	Newt Gingrich 18%	Mike Huckabee 14%, Ron Paul 7%, Mitch Daniels 1%, Tim Pawlenty 1%, John Thune 1%, someone else/undecided 8%
Public Policy Polling Margin of error: ±5.9% Sample size: 272	Oct. 30–31, 2010	Mitt Romney 34%	Newt Gingrich 21%	Sarah Palin 16%	Mike Huckabee 11%, Tim Pawlenty 2%, Mitch Daniels 1%, Mike Pence 1%, John Thune 0%, someone else/undecided 13%
Public Policy Polling Margin of error: ±5.0% Sample size: 400	Jul. 16–18, 2010	Mitt Romney 34%	Newt Gingrich 28%	Sarah Palin 16%	Mike Huckabee 11%, Ron Paul 7%, undecided 5%

Colorado (February 7)

Main article: Colorado Republican caucuses, 2012

Winner: Rick Santorum
Caucus date: February 7, 2012
Delegates: 36

Poll source	Date	1^st	2^nd	3^rd	Other
Caucus results Turnout: 66,091	Feb. 7, 2012	Rick Santorum 40.3%	Mitt Romney 34.9%	Newt Gingrich 12.8%	Ron Paul 11.8%, Rick Perry 0.1%, Jon Huntsman 0.1%, Michele Bachmann 0.0%, Others 0.1%
Public Policy Polling Margin of error: ±3.2% Sample size: 938	Feb. 4–6, 2012	Mitt Romney 37%	Rick Santorum 27%	Newt Gingrich 21%	Ron Paul 13%, Someone else/Not sure 2%
Public Policy Polling Margin of error: ±4.3% Sample size: 527	Feb. 4, 2012	Mitt Romney 40%	Rick Santorum 26%	Newt Gingrich 18%	Ron Paul 12%, Someone else/Not sure 3%
Public Policy Polling Margin of error: ±4.4% Sample size: 500	Dec. 1–4, 2011	Newt Gingrich 37%	Mitt Romney 18%	Michele Bachmann 9%	Ron Paul 6%, Rick Perry 4%, Rick Santorum 4%, Jon Huntsman 3%, Gary Johnson 1%, Undecided 16%
Project New West/Keating Research Margin of error: ±7.2% Sample size: –	Sep. 19–22, 2011	Mitt Romney 24%	Rick Perry 20%	Michele Bachmann 7%	Newt Gingrich 7%, Herman Cain 5%, undecided 19%
Public Policy Polling Margin of error: ±5.5% Sample size: 314	Aug. 4–7, 2011	Rick Perry 20%	Mitt Romney 20%	Michele Bachmann 12%	Sarah Palin 11%, Ron Paul 8%, Herman Cain 7%, Newt Gingrich 6%, Tim Pawlenty 3%, Jon Huntsman 2%, someone else/undecided 11%
	Aug. 4–7, 2011	Mitt Romney 22%	Rick Perry 21%	Michele Bachmann 15%	Newt Gingrich 9%, Ron Paul 7%, Tim Pawlenty 6%, Herman Cain 5%, Jon Huntsman 2%, someone else/undecided 13%
Public Policy Polling Margin of error: ±4.9% Sample size: 400	Feb. 4–6, 2011	Mitt Romney 19%	Mike Huckabee 16%	Sarah Palin 16%	Newt Gingrich 12%, Ron Paul 9%, Tim Pawlenty 7%, John Thune 4%, Mitch Daniels 3%, someone else/undecided 16%
Public Policy Polling Margin of error: ±5.3% Sample size: 341	Oct. 30–31, 2010	Mitt Romney 22%	Newt Gingrich 17%	Sarah Palin 17%	Mike Huckabee 14%, Tim Pawlenty 6%, Mike Pence 3%, John Thune 2%, Mitch Daniels 1%, someone else/undecided 18%
Public Policy Polling Margin of error: ±4.6% Sample size: 448	May 14–16, 2010	Sarah Palin 29%	Mitt Romney 25%	Mike Huckabee 18%	Newt Gingrich 16%, Ron Paul 9%, undecided 3%
Public Policy Polling Margin of error: ±4.4% Sample size: 497	Mar. 5–8, 2010	Mitt Romney 44%	Sarah Palin 25%	Mike Huckabee 17%	Undecided 14%

Minnesota (February 7)

Main article: Minnesota Republican caucuses, 2012

Winner: Rick Santorum
Caucus date: February 7, 2012
Delegates: 40

Poll source	Date	1^st	2^nd	3^rd	Other
Caucus results Turnout: 48,795	Feb. 7, 2012	Rick Santorum 44.9%	Ron Paul 27.1%	Mitt Romney 16.9%	Newt Gingrich 10.8%, Write in 0.3%
Public Policy Polling Margin of error: ±3.3% Sample size: 864	Feb. 6, 2012	Rick Santorum 33%	Mitt Romney 24%	Newt Gingrich 22%	Ron Paul 20%
Public Policy Polling Margin of error: ±4.8% Sample size: 410	Feb. 4, 2012	Rick Santorum 29%	Mitt Romney 27%	Newt Gingrich 22%	Ron Paul 19%, Someone else/Not sure 3%
Public Policy Polling Margin of error: ±5.6% Sample size: 303	Jan. 21–22, 2012	Newt Gingrich 36%	Mitt Romney 18%	Rick Santorum 17%	Ron Paul 13%, Someone else/Not sure 15%
		Newt Gingrich 50%	Mitt Romney 29%		Not sure 21%
		Mitt Romney 51%	Ron Paul 29%		Not sure 20%
		Rick Santorum 46%	Mitt Romney 34%		Not sure 20%
SurveyUSA/KSTP-TV Margin of error: ±4.2% Sample size: 558	Jun. 15–17, 2011	Mitt Romney 29%	Tim Pawlenty 23%	Michele Bachmann 13%	Ron Paul 13%, Herman Cain 4%, Newt Gingrich 3%, Rick Perry 2%, Jon Huntsman 1%, Rick Santorum 1%, Not sure 11%
Public Policy Polling Margin of error: ±5.1% Sample size: 371	May 27–30, 2011	Tim Pawlenty 33%	Michele Bachmann 14%	Sarah Palin 11%	Mitt Romney 11%, Herman Cain 10%, Ron Paul 9%, Newt Gingrich 4%, Jon Huntsman 2%, Someone else/Not Sure 6%
	May 27–30, 2011	Tim Pawlenty 38%	Michele Bachmann 19%	Mitt Romney 11%	Herman Cain 10%, Ron Paul 9%, Newt Gingrich 5%, Jon Huntsman 1%, Someone else/Not Sure 7%
Public Policy Polling Margin of error: ±5.0% Sample size: 387	Dec. 4–5, 2010	Tim Pawlenty 24%	Sarah Palin 17%	Mike Huckabee 15%	Mitt Romney 13%, Newt Gingrich 11%, Ron Paul 9%, John Thune 3%, Mitch Daniels 2%, someone else/undecided 6%
Public Policy Polling Margin of error: ±4.4% Sample size: 499	Oct. 27–29, 2010	Tim Pawlenty 19%	Sarah Palin 18%	Mike Huckabee 14%	Newt Gingrich 11%, Mitt Romney 11%, Mitch Daniels 3%, Mike Pence 3%, John Thune 2%, someone else/undecided 18%
MPR News-Humphrey Institute Poll Margin of error: ±5.3% Sample size: 750	Aug. 25–29, 2010	Mitt Romney 45%	Tim Pawlenty 32%	–
	Aug. 25–29, 2010	Tim Pawlenty 59%	Sarah Palin 24%	–

Maine (February 4–11)

Main article: Maine Republican caucuses, 2012

Caucus date: February 4–11, 2012
Delegates: 24
Note: The Maine Republican Party released updated results on February 17th. Maine Senate President Kevin Raye stated that the final tally would be updated to include the results from the Washington County caucus held on February 18, but that the State Committee would vote on March 10 to determine if the other towns who voluntarily held their caucuses after the February 11 deadline would be included.^[8]

Poll source	Date	1^st	2^nd	3^rd	Other
Caucus results* Turnout: 5,585	Feb. 4–11, 2012	Mitt Romney 39.0%	Ron Paul 34.9%	Rick Santorum 18.1%	Newt Gingrich 6.7%, Others 1.2%
Public Policy Polling Margin of error: ±6.2% Sample size: 250	Oct. 28–31, 2011	Herman Cain 29%	Mitt Romney 24%	Newt Gingrich 18%	Michele Bachmann 5%, Ron Paul 5%, Rick Perry 4%, Rick Santorum 2%, Jon Huntsman 1%, Gary Johnson 1%, someone else/not sure 11%
Public Policy Polling Margin of error: ±4.7% Sample size: 434	Mar. 3–6, 2011	Newt Gingrich 19%	Mike Huckabee 19%	Sarah Palin 17%	Mitt Romney 15%, Ron Paul 8%, Mitch Daniels 4%, Tim Pawlenty 3%, Haley Barbour 2%, someone else/undecided 13%
Public Policy Polling Margin of error: ±4.0% Sample size: 614	Oct. 26–28, 2010	Sarah Palin 23%	Mitt Romney 18%	Mike Huckabee 16%	Newt Gingrich 14%, Tim Pawlenty 3%, Mike Pence 2%, Mitch Daniels 1%, John Thune 0%, someone else/undecided 23%
Public Policy Polling Margin of error: ±4.1% Sample size: 584	Sep. 2–6, 2010	Mitt Romney 27%	Sarah Palin 21%	Newt Gingrich 15%	Mike Huckabee 14%, Ron Paul 7%, someone else 8%, undecided 8%

Arizona (February 28)

Main article: Arizona Republican primary, 2012

Winner: Mitt Romney
Primary date: February 28, 2012
Delegates: 29

Poll source	Date	1^st	2^nd	3^rd	Other
Primary results Turnout: 458,631	Feb. 28, 2012	Mitt Romney 47.27%	Rick Santorum 26.62%	Newt Gingrich 16.16%	Ron Paul 8.45%, Rick Perry 0.41% Others 1.09%
We Ask America Margin of error: ±2.87% Sample size: 1,162	Feb. 26, 2012	Mitt Romney 42.66%	Rick Santorum 26.54%	Newt Gingrich 20.65%	Ron Paul 10.15%
Public Policy Polling Margin of error: ±4.3% Sample size: 515	Feb. 26, 2012	Mitt Romney 43%	Rick Santorum 26%	Newt Gingrich 18%	Ron Paul 11%, Someone else/Not sure 1%
America Research Group Margin of error: ±4% Sample size: 600	Feb. 23–24, 2012	Mitt Romney 39%	Rick Santorum 35%	Newt Gingrich 11%	Ron Paul 9%, Undecided 5%
Rasmussen Reports Margin of error: ±4% Sample size: 750	Feb. 23, 2012	Mitt Romney 42%	Rick Santorum 29%	Newt Gingrich 16%	Ron Paul 8%, Other 1%, Undecided 3%
We Ask America Margin of error: ±2.88% Sample size: 1,115	Feb. 19–20, 2012	Mitt Romney 37%	Rick Santorum 27%	Newt Gingrich 15%	Ron Paul 8%, Undecided 13%
NBC News-Marist Margin of error: ±3.5% Sample size: 2,487	Feb. 19–20, 2012	Mitt Romney 43%	Rick Santorum 27%	Newt Gingrich 16%	Ron Paul 11%, Undecided 3%
CNN/Time Magazine/ORC International Margin of error: ±4.5% Sample size: 467	Feb. 17–20, 2012	Mitt Romney 36%	Rick Santorum 32%	Newt Gingrich 18%	Ron Paul 6%, None/No one 1%, No opinion 6%
Public Policy Polling Margin of error: ±4.8% Sample size: 412	Feb. 17–19, 2012	Mitt Romney 36%	Rick Santorum 33%	Newt Gingrich 16%	Ron Paul 9%, Someone else/Not sure 7%
	Feb. 17–19, 2012	Rick Santorum 43%	Mitt Romney 41%	Ron Paul 9%	Not sure 8%
Rasmussen Reports Margin of error: ±4% Sample size: 750	Feb. 16, 2012	Mitt Romney 39%	Rick Santorum 31%	Newt Gingrich 15%	Ron Paul 7%, Other 3%, Undecided 5%
America Research Group Margin of error: ±4% Sample size: 600	Feb. 13–14, 2012	Mitt Romney 38%	Rick Santorum 31%	Newt Gingrich 15%	Ron Paul 11%, Undecided 5%
Rasmussen Reports Margin of error: ±4% Sample size: 750	Feb. 1, 2012	Mitt Romney 48%	Newt Gingrich 24%	Rick Santorum 13%	Ron Paul 6%, Other 2%, Undecided 6%
America Research Group Margin of error: ±4% Sample size: 600	Jan. 25–26, 2012	Mitt Romney 32%	Newt Gingrich 32%	Ron Paul 12%	Rick Santorum 10%, Other 2%, Undecided 12%
Behavior Research Center Margin of error: ±7.1% Sample size: 260	Jan. 5–9, 2012	Mitt Romney 41%	Rick Santorum 14%	Newt Gingrich 9%	Rick Perry 5%, Ron Paul 4%, Jon Huntsman 2%, Undecided 25%
Public Policy Polling Margin of error: ±4.9% Sample size: 400	Nov. 17–20, 2011	Newt Gingrich 28%	Mitt Romney 23%	Herman Cain 17%	Ron Paul 8%, Jon Huntsman 5%, Michele Bachmann 3%, Rick Perry 3%, Rick Santorum 3%, Gary Johnson 0%, someone else/not sure 9%
Behavior Research Center Margin of error: ±4.1% Sample size: 581	Oct. 13–24, 2011	Herman Cain 25%	Mitt Romney 24%	Rick Perry 10%	Ron Paul 5%, Michele Bachmann 4%, Jon Huntsman 2%, Rick Santorum 0%, None of the above 5%, undecided 20%, not interested 5%
Summit Consulting Group Margin of error: ±4% Sample size: 600	Sep. 19–20, 2011	Mitt Romney 31%	Rick Perry 25%	Michele Bachmann 5%	Herman Cain 5%, Newt Gingrich 4%, Ron Paul 3%, Jon Huntsman 2%, Rick Santorum 1%, undecided 24%
Public Policy Polling Margin of error: ±4.9% Sample size: 400	Apr. 28 – May 1, 2011	Mitt Romney 24%	Mike Huckabee 12%	Sarah Palin 12%	Ron Paul 12%, Michele Bachmann 10%, Newt Gingrich 10%, Donald Trump 8%, Tim Pawlenty 5%, someone else/undecided 8%
Public Policy Polling Margin of error: ±4.9% Sample size: 400	Jan. 28–30, 2011	Mitt Romney 23%	Mike Huckabee 19%	Newt Gingrich 15%	Sarah Palin 15%, Ron Paul 5%, Tim Pawlenty 4%, Mitch Daniels 2%, John Thune 1%, someone else/undecided 16%
Magellan Strategies Margin of error: ±2.9% Sample size: 1,137	Jun. 22, 2010	Mitt Romney 29%	Sarah Palin 18%	Newt Gingrich 16%	Mike Huckabee 14%, Ron Paul 5%, Tim Pawlenty 3%, Rick Santorum 2%, undecided 13%
Public Policy Polling Margin of error: ±5.0% Sample size: 387	Apr. 23–25, 2010	Mitt Romney 27%	Newt Gingrich 19%	Sarah Palin 13%	Mike Huckabee 12%, Ron Paul 9%, undecided 19%

Michigan (February 28)

Main article: Michigan Republican primary, 2012

Winner: Mitt Romney
Primary date: February 28, 2012
Delegates: 30

Poll source	Date	1^st	2^nd	3^rd	Other
Primary results Turnout: 979,269	Feb. 28, 2012	Mitt Romney 41.07%	Rick Santorum 37.86%	Ron Paul 11.62%	Newt Gingrich 6.53%, Uncommitted 1.89%, Rick Perry 0.19%, Buddy Roemer 0.19%, Michele Bachmann 0.18%, Jon Huntsman 0.17%, Herman Cain 0.12%, Fred Karger 0.12%, Gary Johnson 0.05%
Public Policy Polling Margin of error: ±3.2% Sample size: 922	Feb. 26–27, 2012	Rick Santorum 38%	Mitt Romney 37%	Ron Paul 14%	Newt Gingrich 9%, Someone else/not sure 2%
American Research Group Margin of error: ±4% Sample size: 600	Feb. 26, 2012	Rick Santorum 36%	Mitt Romney 35%	Ron Paul 15%	Newt Gingrich 8%, Undecided 6%
Mitchell Research/Rosetta Stone Margin of error: ±3.3% Sample size: 858	Feb. 26, 2012	Rick Santorum 37%	Mitt Romney 35%	Newt Gingrich 9%	Ron Paul 8%, Undecided 10%
We Ask America Margin of error: ±3.12% Sample size: 984	Feb. 26, 2012	Mitt Romney 36.85%	Rick Santorum 32.53%	Ron Paul 18.08%	Newt Gingrich 12.53%
Public Policy Polling Margin of error: ±4.8% Sample size: 421	Feb. 26, 2012	Mitt Romney 39%	Rick Santorum 37%	Ron Paul 13%	Newt Gingrich 9%, Someone else/Not sure 2%
Rasmussen Reports Margin of error: ±4% Sample size: 750	Feb. 26, 2012	Mitt Romney 38%	Rick Santorum 36%	Ron Paul 11%	Newt Gingrich 10%, Undecided 5%, Other 1%
Foster McCollum White & Associates/Baydoun Consulting Margin of error: ±2.66% Sample size: 1,359	Feb. 23, 2012	Mitt Romney 37.90%	Rick Santorum 35.86%	Ron Paul 9.12%	Newt Gingrich 8.31%, Undecided 8.90%
Rasmussen Reports Margin of error: ±4% Sample size: 750	Feb. 23, 2012	Mitt Romney 40%	Rick Santorum 34%	Ron Paul 10%	Newt Gingrich 9%, Undecided 6%, Other 1%
Mitchell Research/Rosetta Stone Margin of error: ±4.7% Sample size: 430	Feb. 23, 2012	Mitt Romney 36%	Rick Santorum 33%	Ron Paul 12%	Newt Gingrich 9%, Undecided 11%
American Research Group Margin of error: ±4% Sample size: 600	Feb. 21–22, 2012	Rick Santorum 38%	Mitt Romney 34%	Ron Paul 12%	Newt Gingrich 7%, Other/Uncommitted 1%, Undecided 8%
WXYZ/Detroit Free Press Margin of error: ±4.9% Sample size: 400	Feb. 18–21, 2012	Rick Santorum 37%	Mitt Romney 34%	Ron Paul 10%	Newt Gingrich 7%, Undecided 12%
Rasmussen Reports Margin of error: ±4% Sample size: 750	Feb. 20, 2012	Rick Santorum 38%	Mitt Romney 34%	Ron Paul 10%	Newt Gingrich 9%, Other 1%, Undecided 8%
Mitchell Research/Rosetta Stone Margin of error: ±4.7% Sample size: 420	Feb. 20, 2012	Mitt Romney 32%	Rick Santorum 30%	Newt Gingrich 9%	Ron Paul 7%, Undecided 22%
NBC News-Marist Margin of error: ±1.8% Sample size: 3,149	Feb. 19–20, 2012	Mitt Romney 37%	Rick Santorum 35%	Ron Paul 13%	Newt Gingrich 8%, Other 1%, Undecided 4%, Uncommitted 2%
We Ask America Margin of error: ±3.06% Sample size: 1,025	Feb. 19, 2012	Rick Santorum 29%	Mitt Romney 29%	Ron Paul 12%	Newt Gingrich 10%, Undecided 20%
Public Policy Polling Margin of error: ±4.0% Sample size: 602	Feb. 17–19, 2012	Rick Santorum 37%	Mitt Romney 33%	Ron Paul 15%	Newt Gingrich 10%, Someone else/Not sure 6%
Foster McCollum White & Associates/Baydoun Consulting Margin of error: ±2.14% Sample size: 2,106	Feb. 16, 2012	Rick Santorum 37.37%	Mitt Romney 33.75%	Ron Paul 8.01%	Newt Gingrich 6.91%, Undecided 13.97%
American Research Group Margin of error: ±4% Sample size: 600	Feb. 15–16, 2012	Rick Santorum 37%	Mitt Romney 32%	Ron Paul 15%	Newt Gingrich 10%, Other 1%, Undecided 5%
Mitchell Research/Rosetta Stone Margin of error: ±4.6% Sample size: 455	Feb. 14, 2012	Rick Santorum 34%	Mitt Romney 25%	Ron Paul 11%	Newt Gingrich 5%, Someone else 4%, Undecided 25%
Marketing Research Group Margin of error: ±3.5% Sample size: 800	Feb. 13–14, 2012	Rick Santorum 43%	Mitt Romney 33%	Newt Gingrich 11%	Ron Paul 8%, Undecided 5%
Rasmussen Reports Margin of error: ±4% Sample size: 750	Feb. 13, 2012	Rick Santorum 35%	Mitt Romney 32%	Ron Paul 13%	Newt Gingrich 11%, Undecided 8%
Glengariff Group Margin of error: ±4.38% Sample size: 500	Feb. 11–13, 2012	Rick Santorum 34.0%	Mitt Romney 30.4%	Newt Gingrich 11.6%	Ron Paul 8.9%, Undecided 12.4%
American Research Group Margin of error: ±4% Sample size: 600	Feb. 11–12, 2012	Rick Santorum 33%	Mitt Romney 27%	Newt Gingrich 21%	Ron Paul 12%, Other 1%, Undecided 6%
Public Policy Polling Margin of error: ±4.9% Sample size: 404	Feb. 10–12, 2012	Rick Santorum 39%	Mitt Romney 24%	Ron Paul 12%	Newt Gingrich 11%, Someone else/Not sure 13%
MIRS Margin of error: ±4% Sample size: 638	Feb. 2, 2012	Mitt Romney 31%	Newt Gingrich 16%	Rick Santorum 15%	Ron Paul 14%
Rasmussen Reports Margin of error: ±4% Sample size: 750	Feb. 1, 2012	Mitt Romney 38%	Newt Gingrich 23%	Rick Santorum 17%	Ron Paul 14%, Other 1%, Undecided 6%
EPIC-MRA Margin of error: ±6% Sample size: 271	Jan. 21–25, 2012	Mitt Romney 31%	Newt Gingrich 26%	Ron Paul 14%	Rick Santorum 10%
MIRS Margin of error: ±6% Sample size: 266	Dec. 6–9, 2011	Mitt Romney 48%	Newt Gingrich 33%	Michele Bachmann 11%	Rick Perry 7% Undecided 16.95%
Strategic National Margin of error: ±5% Sample size:	Dec. 8, 2011	Newt Gingrich 30.75%	Mitt Romney 28.74%	Ron Paul 7.47%	Michele Bachmann 6.32%, Jon Huntsman 4.02%, Rick Santorum 3.16%, Rick Perry 2.59% Undecided 16.95%
EPIC-MRA/WXYZ-TV (Channel 7) Margin of error: ±6.1% Sample size: 259	Nov. 13–16, 2011	Mitt Romney 34%	Newt Gingrich 20%	Herman Cain 13%	Ron Paul 8%, Rick Perry 5%, Michele Bachmann 3%, Jon Huntsman 2%, Rick Santorum 2%, Undecided/Refused to answer 13%
Marketing Resource Group Margin of error: ±5.6% Sample size: 310	Sep. 14–19, 2011	Mitt Romney 34%	Rick Perry 13%	Newt Gingrich 7%	Ron Paul 6%, Herman Cain 5%, Michele Bachmann 3%, Jon Huntsman 3%, Thaddeus McCotter 2%, Rick Santorum 1%, Undecided 27%
EPIC-MRA Margin of error: ±6.7% Sample size: 210	Aug. 13–16, 2011	Mitt Romney 32%	Rick Perry 17%	Michele Bachmann 12%	Newt Gingrich 5%, Sarah Palin 5%, Ron Paul 5%, Herman Cain 3%, Rick Santorum 2%, Jon Huntsman 1%, Thaddeus McCotter 1%, Tim Pawlenty 1%, Undecided 16%
Public Policy Polling Margin of error: ±4.9% Sample size: 400	Jul. 21–24, 2011	Mitt Romney 25%	Rick Perry 13%	Michele Bachmann 12%	Sarah Palin 12%, Herman Cain 7%, Newt Gingrich 6%, Ron Paul 6%, Thaddeus McCotter 5%, Tim Pawlenty 3%, someone else/not sure 11%
	Jul. 21–24, 2011	Mitt Romney 24%	Michele Bachmann 18%	Rick Perry 14%	Herman Cain 7%, Newt Gingrich 7%, Ron Paul 6%, Thaddeus McCotter 5%, Tim Pawlenty 4%, someone else/not sure 17%
Public Policy Polling Margin of error: ±5.2% Sample size: 360	Mar. 18–20, 2011	Mitt Romney 26%	Mike Huckabee 20%	Newt Gingrich 15%	Sarah Palin 12%, Ron Paul 7%, Mitch Daniels 5%, Tim Pawlenty 3%, Scott Walker 3%, someone else/undecided 10%
Strategic National Margin of error: ±4.5% Sample size: 480	Jan. 24–25, 2011	Mitt Romney 24%	Mike Huckabee 19%	Sarah Palin 17%	Newt Gingrich 10%, Tim Pawlenty 4%, Jon Huntsman 2%, Rick Santorum 2%, Haley Barbour 1%, Mitch Daniels 1%, undecided 21%
Public Policy Polling Margin of error: ±4.9% Sample size: 400	Dec. 3–6, 2010	Mitt Romney 22%	Mike Huckabee 22%	Sarah Palin 18%	Newt Gingrich 15%, Ron Paul 10%, Tim Pawlenty 3%, Mitch Daniels 2%, John Thune 1%, someone else/undecided 7%
Public Policy Polling Margin of error: ±4.9% Sample size: 400	Sep. 17–19, 2010	Mitt Romney 30%	Sarah Palin 17%	Newt Gingrich 16%	Mike Huckabee 14%, Ron Paul 8%, someone else 6%, undecided 8%
Public Policy Polling Margin of error: ±5.1% Sample size: 377	May 25–27, 2010	Mitt Romney 37%	Sarah Palin 24%	Newt Gingrich 16%	Mike Huckabee 12%, Ron Paul 6%, undecided 4%

Washington (March 3)

Main article: Washington Republican caucuses, 2012

Winner: Mitt Romney
Caucus date: March 3, 2012
Delegates: 43

Poll source	Date	1^st	2^nd	3^rd	Other
Caucus results Turnout: 50,764	March 3, 2012	Mitt Romney 37.65%	Ron Paul 24.81%	Rick Santorum 23.81%	Newt Gingrich 10.28%, Others 3.44%
SurveyUSA Margin of error: ±4.5% Sample size: 500	Feb. 29 – Mar. 1, 2012	Mitt Romney 38%	Rick Santorum 24%	Ron Paul 14%	Newt Gingrich 10%, Barack Obama 6%, Other 3%, Undecided 6%
Public Policy Polling Margin of error: ±4.6% Sample size: 447	Feb. 29 – Mar. 1, 2012	Mitt Romney 37%	Rick Santorum 32%	Ron Paul 16%	Newt Gingrich 13%, Someone else/Not sure 2%
Public Policy Polling Margin of error: ±4.9% Sample size: 400	Feb. 16–19, 2012	Rick Santorum 38%	Mitt Romney 27%	Ron Paul 15%	Newt Gingrich 12%, Someone else/Not sure 8%
	Feb. 16–19, 2012	Rick Santorum 49%	Mitt Romney 28%	Ron Paul 16%	Not sure 7%
SurveyUSA Margin of error: ±7.7% Sample size: 169	Jan. 16, 2012	Mitt Romney 26%	Newt Gingrich 22%	Rick Santorum 19%	Ron Paul 7%, Rick Perry 5%, Jon Huntsman, Jr. 2%, Undecided 18%
Public Policy Polling Margin of error: ±3.7% Sample size: 712	Oct. 29–31, 2010	Sarah Palin 19%	Mitt Romney 18%	Mike Huckabee 17%	Newt Gingrich 15%, Tim Pawlenty 4%, Mitch Daniels 2%, Mike Pence 1%, John Thune 0%, someone else/undecided 24%

Alaska (March 6)

Main article: Alaska Republican caucuses, 2012

Winner: Mitt Romney
Caucus date: March 6, 2012
Delegates: 27

Poll source	Date	1^st	2^nd	3^rd	Other
Caucus results Turnout: 13,219	March 6, 2012	Mitt Romney 32.4%	Rick Santorum 29.2%	Ron Paul 24.0%	Newt Gingrich 14.1%, Uncommitted 0.3%
Public Policy Polling Margin of error: ±3.6% Sample size: 743	Oct. 30–31, 2010	Mike Huckabee 17%	Newt Gingrich 16%	Mitt Romney 16%	Sarah Palin 15%, Tim Pawlenty 5%, Mitch Daniels 2%, Mike Pence 2%, John Thune 2%, someone else/undecided 25%
Public Policy Polling Margin of error: ±3.5% Sample size: 805	Aug. 27–28, 2010	Mitt Romney 20%	Mike Huckabee 17%	Sarah Palin 17%	Newt Gingrich 16%, Ron Paul 10%, someone else 9%, undecided 11%

Georgia (March 6)

Main article: Georgia Republican primary, 2012

Winner: Newt Gingrich
Primary date: March 6, 2012
Delegates: 76

Poll source	Date	1^st	2^nd	3^rd	Other
Primary results Turnout: 900,434	March 6, 2012	Newt Gingrich 47.2%	Mitt Romney 25.9%	Rick Santorum 19.6%	Ron Paul 6.6%, Jon Huntsman, Jr. 0.2%, Michele Bachmann 0.2%, Rick Perry 0.2%, Buddy Roemer 0.1%, Gary Johnson 0.1%
American Research Group Margin of error: ±4% Sample size: 600	Mar. 3–5, 2012	Newt Gingrich 44%	Mitt Romney 24%	Rick Santorum 19%	Ron Paul 9%, Undecided 3%
Public Policy Polling Margin of error: ±3.6% Sample size: 728	Mar. 3–4, 2012	Newt Gingrich 47%	Mitt Romney 24%	Rick Santorum 19%	Ron Paul 8%, Someone else/Not sure 2%
	Mar. 3–4, 2012	Mitt Romney 38%	Rick Santorum 37%	Ron Paul 14%	Not sure 10%
CNN/ORC Margin of error: ±4% Sample size: 527	Mar. 1–4, 2012	Newt Gingrich 47%	Mitt Romney 24%	Rick Santorum 15%	Ron Paul 9%, None/No one 1%, No opinion 4%
Mason-Dixon Margin of error: ±4% Sample size: 625	Feb. 29-Mar. 1, 2012	Newt Gingrich 38%	Mitt Romney 24%	Rick Santorum 22%	Ron Paul 3%, Undecided 12%
Rosetta Stone Margin of error: ±3% Sample size: 950	Mar. 1, 2012	Newt Gingrich 42%	Mitt Romney 22%	Rick Santorum 16%	Ron Paul 5%, Undecided 15%
YouGov Margin of error: ±6.3% Sample size: 500	Feb. 25 – Mar. 1, 2012	Newt Gingrich 32%	Mitt Romney 27%	Rick Santorum 17%	Ron Paul 10%, Not sure 14%
Landmark/Rosetta Stone Margin of error: ±4% Sample size: 1,300	Feb. 23, 2012	Newt Gingrich 38%	Rick Santorum 25%	Mitt Romney 19%	Ron Paul 5%, Undecided 13%
Rasmussen Reports Margin of error: ±4% Sample size: 750	Feb. 22, 2012	Newt Gingrich 33%	Rick Santorum 28%	Mitt Romney 20%	Ron Paul 9%, Someone else 2%, Undecided 8%
InsiderAdvantage/Majority Opinion Research Margin of error: ±3.6% Sample size: 721	Feb. 20, 2012	Newt Gingrich 25.9%	Mitt Romney 23.9%	Rick Santorum 22.8%	Ron Paul 11.7%, Someone else 4.4%, No opinion 11.3%
Rosetta Stone Communications/Landmark Communications Margin of error: ±2.6% Sample size: 1,475	Feb. 9, 2012	Newt Gingrich 35%	Rick Santorum 26%	Mitt Romney 16%	Ron Paul 5%, Undecided 18%
Survey USA Margin of error: ±4.7% Sample size: 459	Feb. 1–2, 2012	Newt Gingrich 45%	Mitt Romney 32%	Rick Santorum 9%	Ron Paul 8%, Undecided 4%, Other 2%
Mason-Dixon Margin of error: ±4% Sample size: 1,025	Dec. 12–14, 2011	Newt Gingrich 43%	Mitt Romney 21%	Rick Perry 7%	Ron Paul 4%, Michele Bachmann 3%, Jon Huntsman 2%, Rick Santorum 1%, Undecided 19%
InsiderAdvantage/Majority Opinion Research Margin of error: Sample size: 516	Dec. 9, 2011	Newt Gingrich 54.1%	Mitt Romney 12.4%	Ron Paul 5.5%	Michele Bachmann 3.8%, Rick Perry 2.9%, Rick Santorum 1.7%, Jon Huntsman 1.5%, Someone else 0.7%, No opinion 17.4%
SurveyUSA Margin of error: ±4.7% Sample size: 362	Dec. 6–7, 2011	Newt Gingrich 65%	Mitt Romney 12%	Michele Bachmann 5%	Ron Paul 5%, Rick Perry 4%, Jon Huntsman 1%, Rick Santorum 1%, Undecided 6%
InsiderAdvantage Margin of error: ±3% Sample size: 678	Oct. 3, 2011	Herman Cain 41%	Newt Gingrich 17%	Mitt Romney 10%	Rick Perry 9%, Ron Paul 5%, Michele Bachmann 1%, Jon Huntsman 1%, Other 4%, No opinion/Undecided 12%
InsiderAdvantage Margin of error: ±5% Sample size: 425	Aug. 18, 2011	Rick Perry 24%	Herman Cain 15%	Newt Gingrich 9%	Michele Bachmann 8%, Sarah Palin 8%, Mitt Romney 6%, Ron Paul 5%, Jon Huntsman 1%, Other 4%, No opinion/Undecided 20%
Insider-Advantage-WSB-TV Margin of error: ±5% Sample size: 407	Jun. 3, 2011	Herman Cain 26%	Michele Bachmann 13%	Newt Gingrich 12%	Sarah Palin 11%, Mitt Romney 10%, Ron Paul 1%, Tim Pawlenty 1%, Other 4%, Undecided 22%
Public Policy Polling Margin of error: ±4.9% Sample size: 400	Mar. 31 – Apr. 3, 2011	Mike Huckabee 23%	Newt Gingrich 22%	Herman Cain 16%	Sarah Palin 10%, Mitt Romney 8%, Michele Bachmann 4%, Ron Paul 3%, Tim Pawlenty 3%, someone else/undecided 11%
	Mar. 31 – Apr. 3, 2011	Newt Gingrich 31%	Mike Huckabee 24%	Sarah Palin 10%	Mitt Romney 8%, Michele Bachmann 5%, Ron Paul 4%, Tim Pawlenty 4%, Haley Barbour 3%, someone else/undecided 11%
Magellan Strategies Margin of error: ±2.8% Sample size: 1,227	Jul. 8, 2010	Newt Gingrich 29.8%	Mike Huckabee 24.5%	Mitt Romney 14.4%	Sarah Palin 12.0%, Haley Barbour 4.7%, Tim Pawlenty 2.7%, undecided 11.9%
Public Policy Polling Margin of error: ±4.3% Sample size: 516	Feb. 26–28, 2010	Mike Huckabee 38%	Mitt Romney 28%	Sarah Palin 25%	undecided 9%

Massachusetts (March 6)

Main article: Massachusetts Republican primary, 2012

Winner: Mitt Romney
Primary date: March 6, 2012
Delegates: 41

Poll source	Date	1^st	2^nd	3^rd	Other
Primary results Turnout: 367,438	March 6, 2012	Mitt Romney 72.2%	Rick Santorum 12.0%	Ron Paul 9.5%	Newt Gingrich 4.6%, Jon Huntsman, Jr. 0.6%, No Preference 0.5%, Rick Perry 0.3%, Michele Bachmann 0.2%
YouGov Margin of error: ±8.7% Sample size: 400	Feb. 25 – Mar. 1, 2012	Mitt Romney 56%	Rick Santorum 16%	Newt Gingrich 5%	Ron Paul 5%, Not sure 17%
Suffolk University Margin of error: ±% Sample size: 172	Feb. 11–15, 2012	Mitt Romney 64%	Rick Santorum 16%	Ron Paul 7%	Newt Gingrich 6%, Undecided 6%, Refused 1%
Public Policy Polling Margin of error: ±6.1% Sample size: 255	Sep. 16–18, 2011	Mitt Romney 50%	Rick Perry 14%	Michele Bachmann 7%	Herman Cain 5%, Newt Gingrich 5%, Ron Paul 5%, Jon Huntsman 3%, Gary Johnson 1%, Rick Santorum 1%, someone else/not sure 10%
	Sep. 16–18, 2011	Mitt Romney 63%	Rick Perry 26%	–	not sure 10%
Public Policy Polling Margin of error: ±6.3% Sample size: 244	Jun. 2 – Jun. 5, 2011	Mitt Romney 49%	Michele Bachmann 10%	Sarah Palin 9%	Herman Cain 8%, Tim Pawlenty 6%, Ron Paul 5%, Newt Gingrich 4%, Jon Huntsman 1%, Someone else/not sure 9%
Public Policy Polling Margin of error: ±5.7% Sample size: 300	Nov. 29 – Dec. 1, 2010	Mitt Romney 47%	Sarah Palin 12%	Newt Gingrich 11%	Mike Huckabee 10%, Tim Pawlenty 4%, Ron Paul 3%, John Thune 2%, Mitch Daniels 1%, someone else/undecided 9%

Ohio (March 6)

Main article: Ohio Republican primary, 2012

Winner: Mitt Romney
Primary date: March 6, 2012
Delegates: 66

Poll source	Date	1^st	2^nd	3^rd	Other
Primary results Turnout: 1,203,403	March 6, 2012	Mitt Romney 37.9%	Rick Santorum 37.1%	Newt Gingrich 14.6%	Ron Paul 9.2%, Rick Perry 0.6%, Jon Huntsman, Jr. 0.5%
Merriman River Group Margin of error: ±3.4% Sample size: 832 LV	Mar. 4, 2012	Mitt Romney 38%	Rick Santorum 33%	Newt Gingrich 18%	Ron Paul 8%, Unsure 1%
Rasmussen Reports Margin of error: ±4.4% Sample size: 750	Mar. 4, 2012	Rick Santorum 32%	Mitt Romney 31%	Newt Gingrich 13%	Ron Paul 13%, Undecided 6%
Suffolk University Margin of error: ±4.4% Sample size: 500	Mar. 3–4, 2012	Rick Santorum 37%	Mitt Romney 33%	Newt Gingrich 16%	Ron Paul 8%, Undecided 6%
American Research Group Margin of error: ±4% Sample size: 600	Mar. 3–4, 2012	Mitt Romney 35%	Rick Santorum 28%	Newt Gingrich 18%	Ron Paul 13%, Other 1%, Undecided 5%
Public Policy Polling Margin of error: ±3.8% Sample size: 666	Mar. 3–4, 2012	Mitt Romney 37%	Rick Santorum 36%	Newt Gingrich 15%	Ron Paul 11%, Someone else/Not sure 2%
	Mar. 3–4, 2012	Rick Santorum 40%	Mitt Romney 39%	Ron Paul 14%	Not sure 8%
Quinnipiac Margin of error: ±3.6% Sample size: 753	Mar. 2–4, 2012	Mitt Romney 34%	Rick Santorum 31%	Newt Gingrich 15%	Ron Paul 12%, None/No one 2%, No opinion 8%
CNN/ORC Margin of error: ±4% Sample size: 546	Mar. 1–4, 2012	Mitt Romney 32%	Rick Santorum 32%	Newt Gingrich 14%	Ron Paul 11%, None/No one 2%, No opinion 8%
Reuters/Ipsos Margin of error: ±4% Sample size: 917	Mar. 1–3, 2012	Mitt Romney 32%	Rick Santorum 32%	Newt Gingrich 17%	Ron Paul 6%
NBC News/Marist Margin of error: ±3.4% Sample size: 820	Feb. 29 – Mar. 2, 2012	Rick Santorum 34%	Mitt Romney 32%	Newt Gingrich 15%	Ron Paul 13%, Other 1%, Undecided 6%
Rasmussen Reports Margin of error: ±4% Sample size: 750	Mar. 1, 2012	Rick Santorum 33%	Mitt Romney 31%	Newt Gingrich 15%	Ron Paul 11%, Other 2%, Undecided 8%
Quinnipiac Margin of error: ±4.3% Sample size: 517	Feb. 29 – Mar. 1, 2012	Rick Santorum 35%	Mitt Romney 31%	Newt Gingrich 17%	Ron Paul 12%, Don't know/No answer 6%
YouGov Margin of error: ±5.3% Sample size: 650	Feb. 25 – Mar. 1, 2012	Rick Santorum 33%	Mitt Romney 27%	Newt Gingrich 12%	Ron Paul 9%, Not sure 19%
Quinnipiac Margin of error: ±3.4% Sample size: 847	Feb. 23–26, 2012	Rick Santorum 36%	Mitt Romney 29%	Newt Gingrich 17%	Ron Paul 11%, Don't know/No answer 6%
Rasmussen Reports Margin of error: ±4.2% Sample size: 750	Feb. 15, 2012	Rick Santorum 42%	Mitt Romney 24%	Newt Gingrich 13%	Ron Paul 10%, Other 3%, Undecided 8%
Quinnipiac Margin of error: ±4.2% Sample size: 1,421	Feb. 7–12, 2012	Rick Santorum 36%	Mitt Romney 29%	Newt Gingrich 20%	Ron Paul 9%
Public Policy Polling Margin of error: ±3.9% Sample size: 626	Jan. 28–29, 2012	Newt Gingrich 26%	Mitt Romney 25%	Rick Santorum 22%	Ron Paul 11%, Someone else/Not sure 16%
		Newt Gingrich 42%	Mitt Romney 39%	–	Not sure 19%
		Mitt Romney 61%	Ron Paul 23%	–	Not sure 16%
		Rick Santorum 45%	Mitt Romney 38%	–	Not sure 18%
Quinnipiac Margin of error: ±4.2% Sample size: 542	Jan. 9–16, 2012	Mitt Romney 27%	Rick Santorum 18%	Newt Gingrich 17%	Ron Paul 10%, Rick Perry 4%, Someone Else 1%, Wouldn't Vote 2%, Don't Know/No Answer 20%
Quinnipiac Margin of error: ±4.4% Sample size: 500	Nov. 28 – Dec. 5, 2011	Newt Gingrich 36%	Mitt Romney 18%	Herman Cain 7%	Ron Paul 7%, Michele Bachmann 5%, Rick Perry 4%, Rick Santorum 2%, Jon Huntsman 1%, Someone Else 2%, Wouldn't Vote 2%, Don't Know/No Answer 15%
Quinnipiac Margin of error: ±4.4% Sample size: 500	Nov. 28 – Dec. 5, 2011	Newt Gingrich 55%	Mitt Romney 28%	–	Someone Else 3%, Wouldn't Vote 3%, Don't Know/No Answer 13%
Quinnipiac University Margin of error: ±4.7% Sample size: 443	Oct. 31 – Nov. 7, 2011	Herman Cain 25%	Mitt Romney 20%	Newt Gingrich 11%	Ron Paul 9%, Michele Bachmann 4%, Rick Perry 4%, Jon Huntsman 2%, Rick Santorum 1%, Unknown 20%
Public Policy Polling Margin of error: ±4.4% Sample size: 500	Nov. 4–6, 2011	Herman Cain 34%	Newt Gingrich 20%	Mitt Romney 19%	Ron Paul 5%, Rick Perry 5%, Michele Bachmann 4%, Jon Huntsman 2%, Gary Johnson 1%, Rick Santorum 1%, someone else/not sure 9%
Quinnipiac Margin of error: ±4.2% Sample size: 542	Oct. 17–23, 2011	Herman Cain 28%	Mitt Romney 23%	Ron Paul 8%	Newt Gingrich 7%, Michele Bachmann 4%, Rick Perry 4%, Jon Huntsman 2%, Rick Santorum 1%, don't know 18%, someone else 2%, wouldn't vote 2%
Quinnipiac Margin of error: ±4.2% Sample size: 542	Oct. 17–23, 2011	Herman Cain 40%	Mitt Romney 33%	Rick Perry 10%	don't know 14%, wouldn't vote 2%, someone else 1%
Public Policy Polling Margin of error: ±4.4% Sample size: 500	Oct. 13–16, 2011	Herman Cain 34%	Mitt Romney 19%	Newt Gingrich 14%	Ron Paul 7%, Michele Bachmann 6%, Rick Perry 5%, Jon Huntsman 1%, Rick Santorum 1%, Gary Johnson 0%, someone else/not sure 12%
		Mitt Romney 50%	Rick Perry 35%	–	not sure 15%
		Herman Cain 50%	Mitt Romney 36%	–	not sure 13%
		Herman Cain 58%	Rick Perry 24%	–	not sure 18%
Quinnipiac Margin of error: ±4.8% Sample size: 423	Sep. 20–25, 2011	Mitt Romney 24%	Rick Perry 20%	Sarah Palin 9%	Herman Cain 7%, Ron Paul 6%, Newt Gingrich 4%, Rick Santorum 4%, Michele Bachmann 3%, Jon Huntsman 1%, don't know 21%, someone else 1%, wouldn't vote 1%
Quinnipiac Margin of error: ±4.8% Sample size: 423	Sep. 20–25, 2011	Mitt Romney 25%	Rick Perry 21%	Herman Cain 7%	Newt Gingrich 6%, Ron Paul 6%, Michele Bachmann 4%, Rick Santorum 4%, Jon Huntsman 2%, don't know 22%, someone else 1%, wouldn't vote 1%
Public Policy Polling Margin of error: ±4.9% Sample size: 400	Aug. 11–14, 2011	Rick Perry 21%	Mitt Romney 18%	Sarah Palin 11%	Michele Bachmann 10%, Herman Cain 8%, Newt Gingrich 7%, Ron Paul 7%, Tim Pawlenty 3%, Jon Huntsman 1%, someone else/undecided 15%
	Aug. 11–14, 2011	Rick Perry 21%	Mitt Romney 20%	Michele Bachmann 14%	Herman Cain 10%, Newt Gingrich 8%, Ron Paul 8%, Tim Pawlenty 3%, Jon Huntsman 1%, someone else/undecided 16%
Quinnipiac Margin of error: ±4.1% Sample size: 563	Jul. 12–18, 2011	Mitt Romney 16%	Sarah Palin 15%	Michele Bachmann 11%	Rick Perry 8%, Herman Cain 6%, Ron Paul 5%, Newt Gingrich 4%, Tim Pawlenty 3%, Rick Santorum 2%, Jon Huntsman 1%, Thaddeus McCotter 0%, someone else/not sure 28%
		Mitt Romney 19%	Sarah Palin 15%	Michele Bachmann 14%	Herman Cain 7%, Newt Gingrich 5%, Ron Paul 5%, Tim Pawlenty 3%, Rick Santorum 2%, Jon Huntsman 1%, Thaddeus McCotter 0%, someone else/not sure 29%
		Mitt Romney 19%	Michele Bachmann 16%	Rick Perry 8%	Herman Cain 7%, Newt Gingrich 6%, Ron Paul 6%, Tim Pawlenty 3%, Rick Santorum 3%, Jon Huntsman 1%, Thaddeus McCotter 0%, someone else/not sure 31%
Public Policy Polling Margin of error: ±4.9% Sample size: 400	May 19–22, 2011	Mitt Romney 21%	Sarah Palin 16%	Herman Cain 12%	Newt Gingrich 12%, Michele Bachmann 10%, Ron Paul 9%, Tim Pawlenty 5%, someone else/not sure 15%
	May 19–22, 2011	Mitt Romney 23%	Newt Gingrich 16%	Herman Cain 13%	Ron Paul 13%, Michele Bachmann 11%, Tim Pawlenty 6%, Jon Huntsman 0%, someone else/not sure 18%
Public Policy Polling Margin of error: ±4.9% Sample size: 400	Mar. 10–13, 2011	Mike Huckabee 19%	Mitt Romney 18%	Newt Gingrich 16%	Sarah Palin 15%, Ron Paul 7%, Tim Pawlenty 5%, Mitch Daniels 4%, Haley Barbour 2%, someone else/undecided 13%
Public Policy Polling Margin of error: ±4.9% Sample size: 400	Dec. 10–12, 2010	Sarah Palin 21%	Mike Huckabee 19%	Newt Gingrich 18%	Mitt Romney 15%, Ron Paul 6%, Mitch Daniels 5%, Tim Pawlenty 3%, John Thune 2%, someone else/undecided 11%
Public Policy Polling Margin of error: ±4.4% Sample size: 500	Oct. 28–30, 2010	Sarah Palin 20%	Newt Gingrich 19%	Mike Huckabee 17%	Mitt Romney 14%, Tim Pawlenty 6%, Mitch Daniels 3%, Mike Pence 2%, John Thune 0%, someone else/undecided 18%
Public Policy Polling Margin of error: ±4.9% Sample size: 400	Mar. 20–21, 2010	Mitt Romney 32%	Mike Huckabee 28%	Sarah Palin 26%	undecided 14%

Oklahoma (March 6)

Main article: Oklahoma Republican primary, 2012

Winner: Rick Santorum
Primary date: March 6, 2012
Delegates: 43

Poll source	Date	1^st	2^nd	3^rd	Other
Primary results Turnout: 286,298	March 6, 2012	Rick Santorum 33.8%	Mitt Romney 28.0%	Newt Gingrich 27.5%	Ron Paul 9.6%, Rick Perry 0.5%, Michele Bachmann 0.3%, Jon Huntsman, Jr. 0.3%
American Research Group Margin of error: ±4% Sample size: 600	Mar. 1–2, 2012	Rick Santorum 37%	Mitt Romney 26%	Newt Gingrich 22%	Ron Paul 9%, Other 1%, Undecided 5%
YouGov Margin of error: ±8.8% Sample size: 250	Feb. 25 – Mar. 1, 2012	Rick Santorum 28%	Mitt Romney 25%	Newt Gingrich 20%	Ron Paul 8%, Not sure 19%
Rasmussen Reports Margin of error: ±4% Sample size: 750	Feb. 21, 2012	Rick Santorum 43%	Newt Gingrich 22%	Mitt Romney 18%	Ron Paul 7%, Some other candidate 2%, Undecided 7%
SoonerPoll.com Margin of error: ±5.66% Sample size: 278	Feb. 8–16, 2012	Rick Santorum 39%	Mitt Romney 23%	Newt Gingrich 18%	Ron Paul 8%, Don't know/refused 13%
American Research Group Margin of error: ±4% Sample size: 600	Feb. 6–7, 2012	Newt Gingrich 34%	Mitt Romney 31%	Rick Santorum 16%	Ron Paul 10%, Other 2%, Undecided 7%
SoonerPoll.com Margin of error: ±4.9% Sample size: 400	Nov. 17–Dec. 16, 2011	Newt Gingrich 33.3%	Mitt Romney 14.3%	Herman Cain 9.3%	Rick Perry 9.3%, Ron Paul 4.3%, Michele Bachmann 3.5%, Rick Santorum 1.5%, Jon Huntsman 1.3%
Cole Hargrave Snodgrass & Associates Margin of error: ±6.7% Sample size: 215	Aug. 9–11, 2011	Rick Perry 22%	Mitt Romney 17%	Michele Bachmann 8%	Herman Cain 6%, Newt Gingrich 5%, Ron Paul 3%, Jon Huntsman 2%, Tim Pawlenty 2%, Undecided (vol.) 33%

Tennessee (March 6)

Main article: Tennessee Republican primary, 2012

Winner: Rick Santorum
Primary date: March 6, 2012
Delegates: 58

Poll source	Date	1^st	2^nd	3^rd	Other
Primary results Turnout: 551,792	March 6, 2012	Rick Santorum 37.2%	Mitt Romney 28.1%	Newt Gingrich 23.9%	Ron Paul 9.0%, Uncommitted 0.6%, Rick Perry 0.4%, Michele Bachmann 0.3%, Jon Huntsman, Jr. 0.2%, Buddy Roemer 0.2%, Gary Johnson 0.1%
We Ask America Margin of error: ±3.06% Sample size: 1,023 LV	Mar. 4, 2012	Mitt Romney 30%	Newt Gingrich 29%	Rick Santorum 29%	Ron Paul 12%
Public Policy Polling Margin of error: ±4.3% Sample size: 525	Mar. 3–4, 2012	Rick Santorum 34%	Mitt Romney 29%	Newt Gingrich 27%	Ron Paul 8%, Someone else/Not sure 2%
	Mar. 3–4, 2012	Rick Santorum 47%	Mitt Romney 34%	Ron Paul 11%	Not sure 7%
Rasmussen Reports Margin of error: ±4% Sample size: 750	Mar. 3, 2012	Rick Santorum 34%	Mitt Romney 30%	Newt Gingrich 18%	Ron Paul 8%, Other 3%, Undecided 7%
American Research Group Margin of error: ±4% Sample size: 600	Mar. 1–3, 2012	Rick Santorum 35%	Mitt Romney 31%	Newt Gingrich 20%	Ron Paul 9%, Other 1%, Undecided 4%
YouGov Margin of error: ±6.6% Sample size: 500	Feb. 25 – Mar. 1, 2012	Rick Santorum 32%	Mitt Romney 23%	Newt Gingrich 16%	Ron Paul 13%, Not sure 15%
Middle Tennessee State University Margin of error: ±4% Sample size: 646	Feb. 13–25, 2012	Rick Santorum 40%	Mitt Romney 19%	Newt Gingrich 13%	Ron Paul 11%
Vanderbilt University Margin of error: ±2.6% Sample size: 815	Feb. 16–22, 2012	Rick Santorum 33%	Mitt Romney 17%	Ron Paul 13%	Newt Gingrich 10%, None of the above 10%, Would not vote 0%, Don't know 14%, Refused 3%
American Research Group Margin of error: ±4% Sample size: 600	Feb. 8–9, 2012	Rick Santorum 34%	Mitt Romney 27%	Newt Gingrich 16%	Ron Paul 13%, Other 1%, Undecided 9%
Vanderbilt Margin of error: ±2.6% Sample size: 1,423	Oct. 28 – Nov. 5, 2011	Herman Cain 19%	Mitt Romney 11%	Rick Perry 8%	Michele Bachmann 6%, Newt Gingrich 6%, Ron Paul 6%, Rick Santorum 1%, don't know 28%, would rather have another choice 13%, declined to answer 2%
Public Policy Polling Margin of error: ±4.9% Sample size: 400	Feb. 9–13, 2011	Mike Huckabee 31%	Sarah Palin 17%	Newt Gingrich 11%	Mitt Romney 11%, Ron Paul 10%, Mitch Daniels 3%, Tim Pawlenty 3%, John Thune 1%, undecided 14%

Vermont (March 6)

Main article: Vermont Republican primary, 2012

Winner: Mitt Romney
Primary date: March 6, 2012
Delegates: 17

Poll source	Date	1^st	2^nd	3^rd	Other
Primary results Turnout: 60,304	March 6, 2012	Mitt Romney 39.7%	Ron Paul 25.5%	Rick Santorum 23.7%	Newt Gingrich 8.2%, Jon Huntsman, Jr. 2.0%, Rick Perry 0.9%
Castleton Polling Institute Margin of error: Sample size: 231	Feb. 11–22, 2012	Mitt Romney 34%	Rick Santorum 27%	Ron Paul 14%	Newt Gingrich 10%, Jon Huntsman 1%, Other 1%, Not sure 4%, Refused 9%
Public Policy Polling Margin of error: ±5.1% Sample size: 366	Jul. 28–31, 2011	Mitt Romney 26%	Michele Bachmann 16%	Sarah Palin 16%	Rick Perry 10%, Herman Cain 9%, Ron Paul 7%, Newt Gingrich 6%, Jon Huntsman 3%, Tim Pawlenty 1%, someone else/undecided 5%
	Jul. 28–31, 2011	Mitt Romney 29%	Michele Bachmann 21%	Rick Perry 11%	Herman Cain 10%, Newt Gingrich 9%, Ron Paul 8%, Tim Pawlenty 2%, Jon Huntsman 1%, soneone else/undecided 9%

Virginia (March 6)

Main article: Virginia Republican primary, 2012

Winner: Mitt Romney
Primary date: March 6, 2012
Delegates: 50
Note: Only Mitt Romney and Ron Paul appeared on the ballot. Other candidates failed to submit the necessary 10,000 signatures.^[9]

Poll source	Date	1^st	2^nd	3^rd	Other
Primary results Turnout: 265,521	March 6, 2012	Mitt Romney 59.5%	Ron Paul 40.5%
NBC News/Marist Margin of error: ±4.3% Sample size: 529	Feb. 29 – Mar. 2, 2012	Mitt Romney 69%	Ron Paul 26%	–	Undecided 6%
NBC News/Marist Margin of error: ±4.3% Sample size: 529	Feb. 29 – Mar. 2, 2012	Mitt Romney 36%	Rick Santorum 28%	Newt Gingrich 15%	Ron Paul 13%, Undecided 8%
Roanoke College Margin of error: ±5% Sample size: 377	Feb. 13–28, 2012	Mitt Romney 56%	Ron Paul 21%	–	Undecided 23%
Roanoke College Margin of error: ±5% Sample size: 377	Feb. 13–28, 2012	Mitt Romney 31%	Rick Santorum 27%	Newt Gingrich 13%	Ron Paul 12%, Uncertain 17%
Christopher Newport University/Richmond Times-Dispatch Margin of error: ±3.1% Sample size: 1,018	Feb. 4–13, 2012	Mitt Romney 53%	Ron Paul 23%	–	Other/Undecided 12%, Don't know/refused 12%
Quinnipiac University Margin of error: ±4.2% Sample size: 546	Feb. 1–6, 2012	Mitt Romney 68%	Ron Paul 19%	–	Don't know/No answer 13%
	Feb. 1–6, 2012	Mitt Romney 37%	Newt Gingrich 27%	Rick Santorum 18%	Ron Paul 12%, Wouldn't vote 1%, Don't know/No answer 5%
Quinnipiac University Margin of error: ±4.4% Sample size: 489	Dec. 13–19, 2011	Newt Gingrich 30%	Mitt Romney 25%	Ron Paul 9%	Rick Perry 6%, Michele Bachmann 6%, Jon Huntsman 4%, Rick Santorum 3%, other 1%, wouldn't vote 1%, don't know 15%
Public Policy Polling Margin of error: ±5.2% Sample size: 350	Dec. 11–13, 2011	Newt Gingrich 41%	Mitt Romney 15%	Michele Bachmann 8%	Rick Perry 8%, Ron Paul 6%, Rick Santorum 6%, Jon Huntsman 3%, Gary Johnson 1%, Someone else/Not sure 12%
Quinnipiac Margin of error: ±5.3% Sample size: 345	Oct. 5–9, 2011	Herman Cain 21%	Mitt Romney 21%	Rick Perry 11%	Ron Paul 9%, Michele Bachmann 7%, Newt Gingrich 7%, Rick Santorum 2%, Jon Huntsman 1%, Wouldn't vote 1%, Don't know 20%
Christopher Newport University/Richmond Times-Dispatch Margin of error: ±5.4% Sample size: 1,027	Oct. 3–8, 2011	Mitt Romney 44%	Herman Cain 12%	Rick Perry 10%	Ron Paul 6%, Newt Gingrich 5%, Michele Bachmann 4%, Rick Santorum 2%, Jon Huntsman 1%, Other 2%, Don't know 14%
Quinnipiac Margin of error: ±4% Sample size: 591	Sep. 7–12, 2011	Rick Perry 25%	Mitt Romney 19%	Ron Paul 8%	Sarah Palin 7%, Herman Cain 6%, Michele Bachmann 5%, Newt Gingrich 4%, Rick Santorum 2%, Jon Huntsman 1%, Thaddeus McCotter 0%, someone else/undecided 21%
Public Policy Polling Margin of error: ±4.9% Sample size: 400	Jul. 21–24, 2011	Rick Perry 20%	Mitt Romney 16%	Michele Bachmann 15%	Sarah Palin 13%, Herman Cain 10%, Newt Gingrich 6%, Ron Paul 6%, Tim Pawlenty 2%, Jon Huntsman 1%, someone else/not sure 11%
	Jul. 21–24, 2011	Michele Bachmann 21%	Rick Perry 18%	Mitt Romney 18%	Herman Cain 10%, Newt Gingrich 8%, Ron Paul 7%, Tim Pawlenty 3%, Jon Huntsman 2%, someone else/not sure 13%
Public Policy Polling Margin of error: ±4.9% Sample size: 400	Feb. 24–27, 2011	Mike Huckabee 20%	Mitt Romney 16%	Sarah Palin 16%	Newt Gingrich 14%, Ron Paul 8%, Mitch Daniels 7%, Tim Pawlenty 4%, Haley Barbour 2%, someone else/undecided 11%
Public Policy Polling Margin of error: ±4.9% Sample size: 400	Nov. 10–13, 2010	Mike Huckabee 21%	Newt Gingrich 20%	Sarah Palin 17%	Mitt Romney 15%, Ron Paul 7%, Tim Pawlenty 5%, Mitch Daniels 3%, John Thune 2%, someone else/undecided 11%

Alabama (March 13)

Main article: Alabama Republican primary, 2012

Winner: Rick Santorum
Primary date: March 13, 2012
Delegates: 50

Poll source	Date	1^st	2^nd	3^rd	Other
Primary results Turnout: 621,542	March 13, 2012	Rick Santorum 34.5%	Newt Gingrich 29.3%	Mitt Romney 29.0%	Ron Paul 5.0%, Uncommitted 1.5%, Rick Perry 0.3%, Michele Bachmann 0.3%, Jon Huntsman, Jr. 0.2%
Public Policy Polling Margin of error: ±4.0% Sample size: 600	Mar. 10–11, 2012	Mitt Romney 31%	Newt Gingrich 30%	Rick Santorum 29%	Ron Paul 8%
American Research Group Margin of error: ±4% Sample size: 600	Mar. 9–11, 2012	Newt Gingrich 34%	Mitt Romney 31%	Rick Santorum 24%	Ron Paul 6%, Other 1%, Undecided 4%
Alabama State University Margin of error: ±5% Sample size: 416	Mar. 5–9, 2012	Newt Gingrich 20.7%	Mitt Romney 20.2%	Rick Santorum 16.7%	Other 15.1%, Undecided 27.4%
Rasmussen Reports Margin of error: ±4% Sample size: 750	Mar. 8, 2012	Newt Gingrich 30%	Rick Santorum 29%	Mitt Romney 28%	Ron Paul 7%, Other 1%, Undecided 6%
Capital Survey Research Center Margin of error: ±4% Sample size: 554	Mar. 6–8, 2012	Mitt Romney 28.5%	Newt Gingrich 25.5%	Rick Santorum 21.1%	Ron Paul 4.5%, Don't know 20%
Capital Survey Research Center Margin of error: ±4% Sample size: 592	Mar. 5–7, 2012	Mitt Romney 29.9%	Newt Gingrich 24.7%	Rick Santorum 20.1%	Ron Paul 5.6%, Don't know/No reply 19.8%
Capital Survey Research Center Margin of error: ±4.4% Sample size: 510	Mar. 1, 5–6, 2012	Mitt Romney 31.2%	Rick Santorum 21.6%	Newt Gingrich 21%	Ron Paul 6.5%, Undecided 19.8%
Alabama State University Sample size: 470	Mar. 1, 2012	Rick Santorum 22.7%	Mitt Romney 18.7%	Newt Gingrich 13.8%	Other 15%, Undecided 29.8%
Capital Research Survey Center Sample size: 616	Nov. 29 – Dec. 1, 2011	Newt Gingrich 43%	Mitt Romney 14%	Herman Cain 10%	Rick Perry 4%, Ron Paul 3.5%, Michele Bachmann 3%, Jon Huntsman 1%, Rick Santorum 1%, Undecided 20%
Capital Research Survey Center Sample size: 841	Aug. 2011	Rick Perry 30%	Mitt Romney 24%	Michele Bachmann 11%	Ron Paul 7%, Herman Cain 7%, Newt Gingrich 5%, Jon Huntsman 1%, Rick Santorum 1%, Undecided 14%
Public Policy Polling Margin of error: ±4.6% Sample size: 457	Mar. 27–29, 2010	Mike Huckabee 41%	Sarah Palin 27%	Mitt Romney 20%	Undecided 13%
Public Strategy Associates Margin of error: ±3.1% Sample size: 1,007	Feb. 3–4, 2010	Mike Huckabee 33%	Sarah Palin 23%	Mitt Romney 12%	Ron Paul 5%, Tim Pawlenty 3%, Undecided 24%

Hawaii (March 13)

Main article: Hawaii Republican caucuses, 2012

Winner: Mitt Romney
Caucus date: March 13, 2012
Delegates: 20

Poll source	Date	1^st	2^nd	3^rd	Other
Caucus results Turnout: 10,228	March 13, 2012	Mitt Romney 44.5%	Rick Santorum 25.3%	Ron Paul 19.3%	Newt Gingrich 10.9%
Public Policy Polling Margin of error: ±5.7% Sample size: 293	Oct. 13–16, 2011	Herman Cain 36%	Mitt Romney 24%	Newt Gingrich 8%	Rick Perry 8%, Michele Bachmann 6%, Ron Paul 4%, Jon Huntsman 1%, Gary Johnson 1%, Rick Santorum 1%, someone else/not sure 11%
		Mitt Romney 49%	Rick Perry 30%	–	not sure 21%
		Herman Cain 49%	Mitt Romney 34%	–	not sure 17%
		Herman Cain 54%	Rick Perry 22%	–	not sure 24%

Mississippi (March 13)

Main article: Mississippi Republican primary, 2012

Winner: Rick Santorum
Primary date: March 13, 2012
Delegates: 40

Poll source	Date	1^st	2^nd	3^rd	Other
Primary results Turnout: 289,935	March 13, 2012	Rick Santorum 32.8%	Newt Gingrich 31.2%	Mitt Romney 30.6%	Ron Paul 4.4%, Rick Perry 0.5%, Michele Bachmann 0.3%, Jon Huntsman 0.1%, Gary Johnson 0.1%
American Research Group Margin of error: ±4% Sample size: 600	Mar. 17–18, 2012	Mitt Romney 44%	Rick Santorum 30%	Newt Gingrich 13%	Ron Paul 8%, Other 1%, Undecided 4%
Public Policy Polling Margin of error: ±3.8% Sample size: 656	Mar. 10–11, 2012	Newt Gingrich 33%	Mitt Romney 31%	Rick Santorum 27%	Ron Paul 7%, Undecided 4%
American Research Group Margin of error: ±4% Sample size: 600	Mar. 10–11, 2012	Mitt Romney 34%	Newt Gingrich 32%	Rick Santorum 22%	Ron Paul 8%, Other 1%, Undecided 3%
Rasmussen Reports Margin of error: ±4% Sample size: 750	Mar. 8, 2012	Mitt Romney 35%	Newt Gingrich 27%	Rick Santorum 27%	Ron Paul 6%, Other 1%, Undecided 4%
American Research Group Margin of error: ±4% Sample size: 600	Mar. 7–8, 2012	Newt Gingrich 35%	Mitt Romney 31%	Rick Santorum 20%	Ron Paul 7%, Undecided 7%
Public Policy Polling Margin of error: ±4.9% Sample size: 400	Nov. 4–6, 2011	Newt Gingrich 28%	Herman Cain 25%	Rick Perry 14%	Mitt Romney 12%, Michele Bachmann 5%, Ron Paul 4%, Jon Huntsman 1%, Gary Johnson 1%, Rick Santorum 1%, someone else/not sure 9%
Public Policy Polling Margin of error: ±4.9% Sample size: 400	Mar. 24–27, 2011	Haley Barbour 37%	Mike Huckabee 19%	Newt Gingrich 10%	Sarah Palin 10%, Mitt Romney 6%, Michele Bachmann 5%, Tim Pawlenty 3%, Ron Paul 2%, someone else/undecided 9%
	Mar. 24–27, 2011	Mike Huckabee 35%	Sarah Palin 20%	Newt Gingrich 18%	Mitt Romney 8%, Michele Bachmann 5%, Ron Paul 4%, Tim Pawlenty 3%, someone else/undecided 8%

Illinois (March 20)

Main article: Illinois Republican primary, 2012

Winner: Mitt Romney
Primary date: March 20, 2012
Delegates: 69

Poll source	Date	1^st	2^nd	3^rd	Other
Primary results Turnout: 922,146	March 20, 2012	Mitt Romney 46.7%	Rick Santorum 35.0%	Ron Paul 9.3%	Newt Gingrich 8.0%, Rick Perry 0.6%
American Research Group Margin of error: ±4% Sample size: 600	Mar. 17–18, 2012	Mitt Romney 44%	Rick Santorum 30%	Newt Gingrich 13%	Ron Paul 8%, Other 1%, Undecided 4%
Public Policy Polling Margin of error: ±4.4% Sample size: 506	Mar. 17–18, 2012	Mitt Romney 45%	Rick Santorum 30%	Newt Gingrich 13%	Ron Paul 10%, Someone else/Not sure 2%
	Mar. 17–18, 2012	Mitt Romney 45%	Rick Santorum 34%	Ron Paul 14%	Not sure 7%
Rasmussen Reports Margin of error: ±4% Sample size: 750	Mar. 15, 2012	Mitt Romney 41%	Rick Santorum 32%	Newt Gingrich 14%	Ron Paul 7%, Undecided 6%
Chicago Tribune Margin of error: ±4% Sample size: 600	Mar. 7–9, 2012	Mitt Romney 35%	Rick Santorum 31%	Newt Gingrich 12%	Ron Paul 7%, Undecided 16%
The Simon Poll/SIU Margin of error: ±3.0% Sample size: 1000	Oct. 11—16, 2011	Herman Cain 23.4%	Mitt Romney 20.6%	Newt Gingrich 7.5%	Rick Perry 7.2%, Ron Paul 6.6%, Michele Bachmann 3.8%, Jon Huntsman 2.5%, Rick Santorum 2.2%
Public Policy Polling Margin of error: ±6.1% Sample size: 255	Oct. 30–31, 2010	Mike Huckabee 18%	Newt Gingrich 17%	Sarah Palin 14%	Mitt Romney 12%, Tim Pawlenty 7%, Mitch Daniels 6%, John Thune 2%, Mike Pence 1%, someone else/undecided 23%
Public Policy Polling Margin of error: ±4.9% Sample size: 400	Aug. 14–16, 2010	Newt Gingrich 23%	Mike Huckabee 21%	Sarah Palin 18%	Mitt Romney 16%, Ron Paul 7%, undecided 9%, someone else 7%
Public Policy Polling Margin of error: ±4.9% Sample size: 400	Jun. 12–13, 2010	Mike Huckabee 25%	Mitt Romney 25%	Newt Gingrich 23%	Sarah Palin 18%, Ron Paul 5%, undecided 4%
Public Policy Polling Margin of error: ±4.9% Sample size: 400	Apr. 1–5, 2010	Mitt Romney 34%	Mike Huckabee 28%	Sarah Palin 24%	undecided 14%

Missouri (March 15–24)

Main article: Missouri Republican primary and caucuses, 2012

Caucus date: March 17, 2012
Delegates: 52

Poll source	Date	1^st	2^nd	3^rd	Other
Non-binding Primary Turnout: 251,868	Feb. 7, 2012	Rick Santorum 55.2%	Mitt Romney 25.3%	Ron Paul 12.2%	Uncomitted 3.9%, Rick Perry 1.0%, Herman Cain 0.9%, Michele Bachmann 0.7%, Jon Huntsman, Jr. 0.4%, Gary Johnson 0.2%, Michael Meehan 0.1%, Keith Drummond 0.1%
Public Policy Polling Margin of error: ±3.2% Sample size: 958	Feb. 6, 2012	Rick Santorum 45%	Mitt Romney 32%	Ron Paul 19%	Someone else 4%
Public Policy Polling Margin of error: ±4.1% Sample size: 574	Jan. 27–29, 2012	Newt Gingrich 30%	Rick Santorum 28%	Mitt Romney 24%	Ron Paul 11%, Someone else/Not sure 7%
		Rick Santorum 45%	Mitt Romney 34%	Ron Paul 13%	Someone else/Not sure 8%
		Newt Gingrich 43%	Mitt Romney 42%		Not sure 15%
		Mitt Romney 60%	Ron Paul 27%		Not sure 13%
		Rick Santorum 50%	Mitt Romney 37%		Not sure 13%
Public Policy Polling Margin of error: ±4.9% Sample size: 400	Sep. 9–12, 2011	Rick Perry 31%	Mitt Romney 15%	Herman Cain 10%	Newt Gingrich 10%, Michele Bachmann 9%, Ron Paul 8%, Jon Huntsman 2%, Rick Santorum 1%, someone else/not sure 14%
	Sep. 9–12, 2011	Rick Perry 55%	Mitt Romney 27%	not sure 19%
Wilson Perkins Allen Opinion Research Margin of error: ±5.8% Sample size: 284	Aug. 10–11, 2011	Mitt Romney 25%	Rick Perry 22%	Michele Bachmann 13%	Newt Gingrich 7%, Herman Cain 6%, Ron Paul 5%, Rick Santorum 2%, Jon Huntsman 1%, Hard Undecided/DK/Refused DNR 20%
Public Policy Polling Margin of error: ±4.9% Sample size: 400	Apr. 28 – May 1, 2011	Mike Huckabee 28%	Mitt Romney 13%	Donald Trump 12%	Newt Gingrich 10%, Michele Bachmann 9%, Sarah Palin 8%, Ron Paul 6%, Tim Pawlenty 5%, someone else/undecided 9%
Public Policy Polling Margin of error: ±4.9% Sample size: 400	Mar. 3–6, 2011	Mike Huckabee 29%	Newt Gingrich 19%	Sarah Palin 14%	Mitt Romney 13%, Ron Paul 7%, Mitch Daniels 4%, Tim Pawlenty 3%, Haley Barbour 2%, someone else/undecided 10%
Public Policy Polling Margin of error: ±4.9% Sample size: 400	Nov. 29 – Dec. 1, 2010	Mike Huckabee 27%	Sarah Palin 25%	Newt Gingrich 15%	Mitt Romney 14%, Ron Paul 5%, Tim Pawlenty 3%, John Thune 2%, Mitch Daniels 1%, undecided 9%
Public Policy Polling Margin of error: ±4.9% Sample size: 400	Mar. 27–29, 2010	Mike Huckabee 32%	Sarah Palin 28%	Mitt Romney 22%	undecided 18%

Louisiana (March 24)

Main article: Louisiana Republican primary, 2012

Winner: Rick Santorum
Primary date: March 24, 2012
Delegates: 46

Poll source	Date	1^st	2^nd	3^rd	Other
Primary results Turnout: 186,377	March 24, 2012	Rick Santorum 49.0%	Mitt Romney 26.7%	Newt Gingrich 15.91%	Ron Paul 6.15%
Public Policy Polling Margin of error: ±3.8% Sample size: 650	Mar. 21–22, 2012	Rick Santorum 42%	Mitt Romney 28%	Newt Gingrich 18%	Ron Paul 8%, Buddy Roemer 2%, Someone else/Not sure 2%
	Mar. 21–22, 2012	Rick Santorum 53%	Mitt Romney 31%	Ron Paul 11%	Not sure 6%
American Research Group Margin of error: ±4% Sample size: 600	Mar. 20–22, 2012	Rick Santorum 43%	Mitt Romney 27%	Newt Gingrich 20%	Ron Paul 6%, Other 1%, Undecided 3%
Rasmussen Reports Margin of error: ±4% Sample size: 750	Mar. 21, 2012	Rick Santorum 43%	Mitt Romney 31%	Newt Gingrich 16%	Ron Paul 5%, Some other candidate 1%, Undecided 5%
Rasmussen Reports Margin of error: ±4% Sample size: 750	Mar. 21, 2012	Rick Santorum 57%	Mitt Romney 37%	–	–
Magellan Strategies Margin of error: ±2.18% Sample size: 2,018	Mar. 19, 2012	Rick Santorum 37%	Mitt Romney 24%	Newt Gingrich 21%	Buddy Roemer 3%, Ron Paul 3%, Rick Perry 3%, Michele Bachmann 2%, Jon Huntsman 1%, Undecided 6%
GCR & Associates/WWL-TV Margin of error: ±4.4% Sample size: 515	Mar. 8–10, 2012	Rick Santorum 25.44%	Mitt Romney 20.97%	Newt Gingrich 19.81%	Ron Paul 5.63%, Other 1.94%, Undecided 26.21%
Clarus Research Margin of error: ±5.6% Sample size: 300	Nov. 20–22, 2011	Newt Gingrich 31%	Mitt Romney 23%	Herman Cain 12%	Rick Perry 11%, Ron Paul 6%, Michele Bachmann 4%, Buddy Roemer 2%, Jon Huntsman 1%, Undecided 10%
Clarus Research Margin of error: ±5.6% Sample size: 304	Oct. 5–7, 2011	Rick Perry 23%	Herman Cain 21%	Mitt Romney 17%	Newt Gingrich 4%, Ron Paul 4%, Michele Bachmann 3%, Buddy Roemer 3%, Jon Huntsman 1%, Rick Santorum 0%
Wilson Perkins Allen Opinion Research Margin of error: ±7.2% Sample size: 183	Aug. 14–16, 2011	Rick Perry 30%	Michele Bachmann 16%	Mitt Romney 15%	Newt Gingrich 9%, Ron Paul 6%, Herman Cain 2%, Jon Huntsman 2%, Rick Santorum 1%, Hard Undecided/DK/Refused DNR 19%
Public Policy Polling Margin of error: ±5.2% Sample size: 358	Aug. 21–22, 2010	Newt Gingrich 25%	Mike Huckabee 24%	Sarah Palin 20%	Mitt Romney 16%, Ron Paul 7%, someone else 2%, undecided 8%
Public Policy Polling Margin of error: ±4.9% Sample size: 400	Jun. 12–13, 2010	Newt Gingrich 24%	Mike Huckabee 24%	Sarah Palin 23%	Mitt Romney 14%, Ron Paul 6%, undecided 8%
	Jun. 12–13, 2010	Bobby Jindal 44%	Newt Gingrich 15%	Mike Huckabee 14%	Sarah Palin 8%, Mitt Romney 6%, Ron Paul 3%, undecided 9%

Maryland (April 3)

Main article: Maryland Republican primary, 2012

Winner: Mitt Romney
Primary date: April 3, 2012
Delegates: 37

Poll source	Date	1^st	2^nd	3^rd	Other
Primary results Turnout: 238,059	April 3, 2012	Mitt Romney 49.1%	Rick Santorum 28.9%	Newt Gingrich 10.9%	Ron Paul 9.5%, Others 1.5%
Public Policy Polling Margin of error: ±4.4% Sample size: 500	Mar. 31 – Apr. 1, 2012	Mitt Romney 52%	Rick Santorum 27%	Newt Gingrich 10%	Ron Paul 9%, Someone else/Not sure 2%
	Mar. 31 – Apr. 1, 2012	Mitt Romney 51%	Rick Santorum 33%	Ron Paul 11%	Not sure 5%
Rasmussen Reports Margin of error: ±4.5% Sample size: 750	Mar. 28, 2012	Mitt Romney 45%	Rick Santorum 28%	Newt Gingrich 12%	Ron Paul 7%, Some other candidate 2%, Undecided 6%
Rasmussen Reports Margin of error: ±4.5% Sample size: 750	Mar. 28, 2012	Mitt Romney 53%	Rick Santorum 39%	–	–

Wisconsin (April 3)

Main article: Wisconsin Republican primary, 2012

Winner: Mitt Romney
Primary date: April 3, 2012
Delegates: 42

Poll source	Date	1^st	2^nd	3^rd	Other
Primary results Turnout: 784,660	April 3, 2012	Mitt Romney 44.1%	Rick Santorum 36.9%	Ron Paul 11.2%	Newt Gingrich 5.9%, Others 2.0%
We Ask America Margin of error: ±2.86% Sample size: 1,173	Apr. 1, 2012	Mitt Romney 39%	Rick Santorum 31%	Ron Paul 16%	Newt Gingrich 15%
Public Policy Polling Margin of error: ±4.0% Sample size: 609	Mar. 31 – Apr. 1, 2012	Mitt Romney 43%	Rick Santorum 36%	Ron Paul 11%	Newt Gingrich 8%, Someone else/Not sure 2%
	Mar. 31 – Apr. 1, 2012	Mitt Romney 43%	Rick Santorum 37%	Ron Paul 16%	Not sure 4%
Rasmussen Reports Margin of error: ±4% Sample size: 717	Mar. 29, 2012	Mitt Romney 44%	Rick Santorum 34%	Ron Paul 7%	Newt Gingrich 7%, Other 2%, Not sure 6%
St. Norbert College/Wisconsin Public Radio Margin of error: ±5% Sample size: 403	Mar. 24–28, 2012	Mitt Romney 37%	Rick Santorum 32%	Ron Paul 8%	Newt Gingrich 4%, Other 5%, Not sure 11%, Refused 2%
NBC News/Marist Margin of error: ±3.6% Sample size: 740	Mar. 26–27, 2012	Mitt Romney 40%	Rick Santorum 33%	Ron Paul 11%	Newt Gingrich 8%, Undecided 7%
NBC News/Marist Margin of error: ±3.6% Sample size: 740	Mar. 26–27, 2012	Mitt Romney 46%	Rick Santorum 41%	–	Other 1%, Undecided 12%
Marquette University Law School Margin of error: ±5.4% Sample size: 349	Mar. 22–25, 2012	Mitt Romney 39%	Rick Santorum 31%	Ron Paul 11%	Newt Gingrich 5%, Don't know 12%, Refused 1%
Rasmussen Reports Margin of error: ±3% Sample size: 1,000	Mar. 21, 2012	Mitt Romney 46%	Rick Santorum 33%	Ron Paul 8%	Newt Gingrich 7%, Some other candidate 1%, Undecided 5%
Rasmussen Reports Margin of error: ±3% Sample size: 1,000	Mar. 21, 2012	Mitt Romney 51%	Rick Santorum 40%	–	–
Public Policy Polling Margin of error: ±4.16% Sample size: 556	Feb. 23–26, 2012	Rick Santorum 43%	Mitt Romney 27%	Newt Gingrich 10%	Ron Paul 8%, Someone else/Not sure 12%
	Feb. 23–26, 2012	Rick Santorum 51%	Mitt Romney 28%	Ron Paul 8%	Not sure 13%
Marquette University Law School Margin of error: ±4.9% Sample size: 424	Feb. 16–19, 2012	Rick Santorum 34%	Mitt Romney 18%	Ron Paul 17%	Newt Gingrich 12%, Don't know 17%, Refused 1%
Public Policy Polling Margin of error: ±3.8% Sample size: 650	Oct. 20–23, 2011	Herman Cain 30%	Mitt Romney 18%	Newt Gingrich 12%	Rick Perry 12%, Ron Paul 8%, Michele Bachmann 5%, Rick Santorum 2%, Jon Huntsman 1%, Gary Johnson 1%, someone else/undecided 12%
		Mitt Romney 46%	Rick Perry 34%	–	not sure 20%
		Herman Cain 46%	Mitt Romney 35%	–	not sure 19%
		Herman Cain 49%	Rick Perry 31%	–	not sure 21%
Public Policy Polling Margin of error: ±5.2% Sample size: 362	Aug. 12–14, 2011	Michele Bachmann 20%	Rick Perry 20%	Mitt Romney 13%	Sarah Palin 11%, Herman Cain 7%, Newt Gingrich 6%, Ron Paul 6%, Tim Pawlenty 3%, Jon Huntsman 1%, someone else/undecided 12%
	Aug. 12–14, 2011	Michele Bachmann 24%	Rick Perry 20%	Mitt Romney 17%	Newt Gingrich 10%, Herman Cain 7%, Ron Paul 6%, Tim Pawlenty 4%, Jon Huntsman 1%, someone else/undecided 11%
Public Policy Polling Margin of error: ±3.8% Sample size: 666	May 19–22, 2011	Mitt Romney 17%	Sarah Palin 16%	Tim Pawlenty 12%	Michele Bachmann 11%, Herman Cain 10%, Newt Gingrich 10%, Ron Paul 10%, Jon Huntsman 2%, someone else/not sure 14%
	May 19–22, 2011	Mitt Romney 19%	Tim Pawlenty 15%	Michele Bachmann 14%	Newt Gingrich 14%, Herman Cain 11%, Ron Paul 11%, Jon Huntsman 3%, someone else/not sure 14%
Public Policy Polling Margin of error: ±4.9% Sample size: 400	Feb. 24–27, 2011	Paul Ryan 30%	Mike Huckabee 17%	Newt Gingrich 12%	Sarah Palin 9%, Mitt Romney 9%, Ron Paul 5%, Tim Pawlenty 4%, Mitch Daniels 3%, someone else/undecided 13%
	Feb. 24–27, 2011	Mike Huckabee 23%	Newt Gingrich 15%	Sarah Palin 15%	Mitt Romney 12%, Tim Pawlenty 10%, Ron Paul 5%, Mitch Daniels 3%, someone else/undecided 17%
Public Policy Polling Margin of error: ±4.9% Sample size: 400	Dec. 10–12, 2010	Sarah Palin 21%	Mike Huckabee 18%	Mitt Romney 17%	Newt Gingrich 13%, Tim Pawlenty 10%, Ron Paul 4%, John Thune 3%, Mitch Daniels 2%, someone else/undecided 12%
Public Policy Polling Margin of error: ±4.1% Sample size: 579	Oct. 26–28, 2010	Sarah Palin 18%	Mike Huckabee 15%	Newt Gingrich 14%	Mitt Romney 12%, Tim Pawlenty 8%, Mitch Daniels 2%, Mike Pence 2%, John Thune 1%, someone else/undecided 28%
Public Policy Polling Margin of error: ±4.9% Sample size: 400	Mar. 20–21, 2010	Mitt Romney 32%	Sarah Palin 27%	Mike Huckabee 23%	undecided 18%

Connecticut (April 24)

Main article: Connecticut Republican primary, 2012

Winner: Mitt Romney
Primary date: April 24, 2012
Delegates: 28

Poll source	Date	1^st	2^nd	3^rd	Other
Quinnipiac Margin of error: ±4.7% Sample size: 429	Mar. 14–19, 2012	Mitt Romney 42%	Rick Santorum 19%	Newt Gingrich 13%	Ron Paul 9%, Won't vote 3%, Don't know/No answer 14%
Public Policy Polling Margin of error: ±4.9% Sample size: 400	Sep. 22–25, 2011	Mitt Romney 25%	Rick Perry 18%	Herman Cain 10%	Newt Gingrich 10%, Ron Paul 10%, Michele Bachmann 8%, Jon Huntsman 3%, Rick Santorum 3%, Gary Johnson 1%, someone else/not sure 12%
	Sep. 22–25, 2011	Mitt Romney 45%	Rick Perry 36%	–	not sure 19%
Quinnipiac Margin of error: ±5.4% Sample size: 332	Sep. 8–13, 2011	Mitt Romney 37%	Rick Perry 19%	Michele Bachmann 8%	Sarah Palin 4%, Herman Cain 3%, Newt Gingrich 3%, Ron Paul 3%, Jon Huntsman 2%, Rick Santorum 1%, Thaddeus McCotter 0%, someone else/undecided 20%
Public Policy Polling Margin of error: ±7.3% Sample size: 180	Oct. 27–29, 2010	Mitt Romney 28%	Mike Huckabee 15%	Newt Gingrich 14%	Sarah Palin 11%, Tim Pawlenty 5%, Mike Pence 5%, Mitch Daniels 4%, John Thune 2%, someone else/undecided 18

New York (April 24)

Main article: New York Republican primary, 2012

Winner: Mitt Romney
Primary date: April 24, 2012
Delegates: 95

Poll source	Date	1^st	2^nd	3^rd	Other
Siena College Research Institute Margin of error: ±6.6% Sample size: 218	Apr. 1–4, 2012	Mitt Romney 51%	Rick Santorum 18%	Ron Paul 11%	Newt Gingrich 6%, Don't know/No opinion 14%
Quinnipiac Margin of error: ±5.1% Sample size: 372	Mar. 28 – Apr. 2, 2012	Mitt Romney 54%	Rick Santorum 21%	Newt Gingrich 9%	Ron Paul 8%, Don't know/No answer 8%
Siena College Research Institute Margin of error: ±6.5% Sample size: 230	Feb. 26–29, 2012	Mitt Romney 38%	Rick Santorum 23%	Newt Gingrich 13%	Ron Paul 11%, Don't know/No opinion 14%
Quinnipiac Margin of error: ±4.9% Sample size: 399	Feb. 8–13, 2012	Mitt Romney 32%	Rick Santorum 20%	Ron Paul 14%	Newt Gingrich 10%
Siena College Research Institute Margin of error: ±3.4% Sample size: 807	Jan. 29 – Feb. 1, 2012	Mitt Romney 31%	Newt Gingrich 29%	Ron Paul 16%	Rick Santorum 13%, Don't know 10%
Siena College Research Institute Margin of error: ±3.5% Sample size: 803	Nov. 8–10, 13, 2011	Mitt Romney 32%	Herman Cain 15%	Newt Gingrich 12%	Michele Bachmann 9%, Ron Paul 9%, Rick Perry 9%, Don't know 15%

Pennsylvania (April 24)

Main article: Pennsylvania Republican primary, 2012

Winner: Mitt Romney
Primary date: April 24, 2012
Delegates: 72

Poll source	Date	1^st	2^nd	3^rd	Other
American Research Group Margin of error: ±4% Sample size: 600	Apr. 9–10, 2012	Mitt Romney 44%	Rick Santorum 40%	Newt Gingrich 7%	Ron Paul 5%, Other 1%, Undecided 3%
Rasmussen Reports Margin of error: ±4% Sample size: 750	Apr. 4, 2012	Rick Santorum 42%	Mitt Romney 38%	Ron Paul 7%	Newt Gingrich 6%, Some other candidate 2%, Undecided 5%
Rasmussen Reports Margin of error: ±4% Sample size: 750	Apr. 4, 2012	Rick Santorum 46%	Mitt Romney 44%	–	–
Public Policy Polling Margin of error: ±4.9% Sample size: 403	Apr. 4, 2012	Mitt Romney 42%	Rick Santorum 37%	Ron Paul 9%	Newt Gingrich 6%, Someone else/Not sure 6%
	Apr. 4, 2012	Rick Santorum 42%	Mitt Romney 41%	Ron Paul 12%	Not sure 6%
Quinnipiac Margin of error: ±3.9% Sample size: 647	Mar. 27 – Apr. 1, 2012	Rick Santorum 41%	Mitt Romney 35%	Ron Paul 10%	Newt Gingrich 7%, Don't know/No answer 6%
Mercyhurst University Margin of error: ±4.75% Sample size: 425	Mar. 19–30, 2012	Rick Santorum 37%	Mitt Romney 31%	Ron Paul 10%	Newt Gingrich 9%, Other 4%, Don't know 6%, Refused 2%
Franklin & Marshall College Margin of error: ±4.2% Sample size: 505	Mar. 20–25, 2012	Rick Santorum 30%	Mitt Romney 28%	Ron Paul 9%	Newt Gingrich 6%, Don't know 24%, Other 3%
Quinnipiac Margin of error: ±4.4% Sample size: 508	Mar. 7–12, 2012	Rick Santorum 36%	Mitt Romney 22%	Ron Paul 12%	Newt Gingrich 8%, Someone else 2%, Wouldn't vote 3%, Don't know/No answer 18%
Quinnipiac Margin of error: ±4.4% Sample size: 508	Mar. 7–12, 2012	Rick Santorum 52%	Mitt Romney 32%	–	Don't know/No answer 16%
Public Policy Polling Margin of error: ±4.1% Sample size: 564	Mar. 8–11, 2012	Rick Santorum 43%	Mitt Romney 25%	Newt Gingrich 13%	Ron Paul 9%, Someone else/Not sure 10%
	Mar. 8–11, 2012	Rick Santorum 51%	Mitt Romney 28%	Ron Paul 12%	Not sure 9%
Franklin & Marshall College Margin of error: ±5.9% Sample size: 278	Feb. 14–20, 2012	Rick Santorum 45%	Mitt Romney 16%	Newt Gingrich 9%	Ron Paul 7%, Other 1%, Don't know 22%
Susquehanna Polling and Research Margin of error: ±4.38% Sample size: 500	Feb. 2–6, 2012	Rick Santorum 30%	Mitt Romney 29%	Newt Gingrich 13%	Ron Paul 9%, Other 2%, Undecided 16%
Susquehanna Polling and Research Margin of error: ±2.95% Sample size: 1,106	Dec. 7–11, 2011	Newt Gingrich 35%	Mitt Romney 18%	Rick Santorum 18%	Ron Paul 8%, Michele Bachmann 6%, Rick Perry 2%, undecided 14%
Quinnipiac Margin of error: ±4.1% Sample size: 578	Nov. 28 – Dec. 5, 2011	Newt Gingrich 31%	Mitt Romney 17%	Rick Santorum 9%	Ron Paul 7%, Michele Bachmann 3%, Herman Cain 3%, Jon Huntsman 3%, Rick Perry 3%, Someone Else 2%, Wouldn't Vote 4%, Don't Know/No Answer 18%
Quinnipiac Margin of error: ±4.1% Sample size: 578	Nov. 28 – Dec. 5, 2011	Newt Gingrich 50%	Mitt Romney 31%	–	Someone Else 3%, Wouldn't Vote 5%, Don't Know/No Answer 11%
Public Policy Polling Margin of error: ±4.9% Sample size: 400	Nov. 17–20, 2011	Newt Gingrich 32%	Herman Cain 15%	Mitt Romney 12%	Rick Santorum 12%, Ron Paul 9%, Michele Bachmann 5%, Jon Huntsman 3%, Rick Perry 3%, Gary Johnson 0%, someone else/not sure 9%
Quinnipiac Margin of error: ±4.1% Sample size: 579	Oct. 31 – Nov. 7, 2011	Herman Cain 17%	Mitt Romney 17%	Newt Gingrich 13%	Rick Santorum 13%, Ron Paul 5%, Rick Perry 5%, Michele Bachmann 2%, Jon Huntsman 2%, don't know 21%, someone else 2%, wouldn't vote 2%
Quinnipiac Margin of error: ±4.2% Sample size: 541	Sep. 21–26, 2011	Mitt Romney 18%	Rick Perry 16%	Rick Santorum 12%	Sarah Palin 8%, Michele Bachmann 6%, Herman Cain 5%, Ron Paul 5%, Newt Gingrich 4%, Jon Huntsman 2%, don't know 19%, someone else 2%, wouldn't vote 2%
Public Policy Polling Margin of error: ±5.1% Sample size: 376	Jun. 30 – Jul. 5, 2011	Michele Bachmann 24%	Mitt Romney 17%	Rick Santorum 14%	Herman Cain 10%, Ron Paul 9%, Rick Perry 8%, Newt Gingrich 6%, Jon Huntsman 3%, Tim Pawlenty 1%, someone else/not sure 8%
		Michele Bachmann 27%	Mitt Romney 20%	Ron Paul 10%	Rick Perry 10%, Herman Cain 9%, Newt Gingrich 9%, Jon Huntsman 3%, Tim Pawlenty 2%, someone else/not sure 11%
		Michele Bachmann 23%	Sarah Palin 18%	Mitt Romney 14%	Rick Perry 11%, Herman Cain 7%, Ron Paul 7%, Newt Gingrich 5%, Jon Huntsman 3%, Tim Pawlenty 3%, someone else/not sure 8%
Quinnipiac Margin of error: ±4.3% Sample size: 523	Jun. 7–12, 2011	Mitt Romney 21%	Rick Santorum 16%	Sarah Palin 11%	Herman Cain 8%, Ron Paul 6%, Michele Bachmann 5% Newt Gingrich 5%, Tim Pawlenty 4%, Jon Huntsman 1%, Gary Johnson <1%
Public Policy Polling Margin of error: ±4.9% Sample size: 400	Jan. 3–5, 2011	Mike Huckabee 21%	Sarah Palin 18%	Newt Gingrich 16%	Mitt Romney 14%, Rick Santorum 11%, Tim Pawlenty 6%, Ron Paul 4%, Mitch Daniels 1%, undecided 8%
	Jan. 3–5, 2011	Mike Huckabee 26%	Sarah Palin 21%	Mitt Romney 16%	Newt Gingrich 15%, Tim Pawlenty 6%, Ron Paul 5%, Mitch Daniels 2%, undecided 9%
Public Policy Polling Margin of error: ±5.8% Sample size: 283	Oct. 30–31, 2010	Mike Huckabee 23%	Sarah Palin 16%	Mitt Romney 16%	Newt Gingrich 15%, Mitch Daniels 2%, Tim Pawlenty 2%, Mike Pence 2%, John Thune 1%, someone else/undecided 22%
Public Policy Polling Margin of error: ±4.9% Sample size: 400	Aug. 14–16, 2010	Mike Huckabee 17%	Sarah Palin 17%	Mitt Romney 16%	Rick Santorum 15%, Newt Gingrich 14%, Ron Paul 6%, undecided 17%
	Aug. 14–16, 2010	Mitt Romney 20%	Newt Gingrich 19%	Mike Huckabee 19%	Sarah Palin 19%, Ron Paul 8%, undecided 12%, someone else 4%
Public Policy Polling Margin of error: ±5.0% Sample size: 400	Jun. 19–21, 2010	Sarah Palin 24%	Newt Gingrich 23%	Mike Huckabee 20%	Mitt Romney 16%, Ron Paul 11%, undecided 6%
Public Policy Polling Margin of error: ±4.9% Sample size: 405	Mar. 29–Apr. 1, 2010	Mitt Romney 31%	Mike Huckabee 27%	Sarah Palin 27%	undecided 15%

Rhode Island (April 24)

Main article: Rhode Island Republican primary, 2012

Winner: Mitt Romney
Primary date: April 24, 2012
Delegates: 19

Poll source	Date	1^st	2^nd	3^rd	Other
Public Policy Polling Margin of error: ±6.2% Sample size: 250	Feb. 16–22, 2011	Mitt Romney 39%	Mike Huckabee 15%	Newt Gingrich 13%	Sarah Palin 10%, Ron Paul 5%, Tim Pawlenty 5%, Mitch Daniels 4%, John Thune 1%, someone else/undecided 9%

Indiana (May 8)

Main article: Indiana Republican primary, 2012

Winner: Mitt Romney
Primary date: May 8, 2012
Delegates: 46

Poll source	Date	1^st	2^nd	3^rd	Other
Howey/DePauw Margin of error: ±4.4% Sample size: 503	Mar. 26–28, 2012	Rick Santorum 27%	Mitt Romney 26%	Newt Gingrich 6%	Ron Paul 6%, Undecided 35%

North Carolina (May 8)

Main article: North Carolina Republican primary, 2012

Winner: Mitt Romney
Primary date: May 8, 2012
Delegates: 55

Poll source	Date	1^st	2^nd	3^rd	Other
Survey USA Margin of error: ±4.7% Sample size: 451	Apr. 26–30, 2012	Mitt Romney 55%	Rick Santorum 15%	Ron Paul 12%	Newt Gingrich 11%, Undecided 7%
Public Policy Polling Margin of error: ±4.3% Sample size: 521	Apr. 20–22, 2012	Mitt Romney 48%	Newt Gingrich 30%	Ron Paul 12%	Someone else/Not sure 10%
Public Policy Polling Margin of error: ±4.6% Sample size: 461	Apr. 4–7, 2012	Mitt Romney 34%	Rick Santorum 30%	Newt Gingrich 17%	Ron Paul 11%, Someone else/Not sure 8%
	Apr. 4–7, 2012	Rick Santorum 42%	Mitt Romney 38%	Ron Paul 10%	Not sure 9%
High Point Margin of error: ±6.4% Sample size: 239	Mar. 19–22, 24–29, 2012	Mitt Romney 31%	Rick Santorum 25%	Ron Paul 15%	Newt Gingrich 12%, Undecided/Don't know/Refused 18%
Public Policy Polling Margin of error: ±4.1% Sample size: 561	Mar. 22–25, 2012	Mitt Romney 30%	Rick Santorum 30%	Newt Gingrich 19%	Ron Paul 13%, Someone else/Not sure 8%
	Mar. 22–25, 2012	Rick Santorum 43%	Mitt Romney 37%	Ron Paul 13%	Not sure 8%
SurveyUSA Margin of error: ±5% Sample size: 403	Mar. 16–20, 2012	Rick Santorum 34%	Mitt Romney 26%	Newt Gingrich 18%	Ron Paul 10%, Undecided 11%
Public Policy Polling Margin of error: ±4.4% Sample size: 492	Mar. 8–11, 2012	Mitt Romney 31%	Rick Santorum 27%	Newt Gingrich 24%	Ron Paul 8%, Someone else/Not sure 10%
	Mar. 8–11, 2012	Rick Santorum 42%	Mitt Romney 38%	Ron Paul 10%	Not sure 11%
Public Policy Polling Margin of error: ±4.8% Sample size: 411	Feb. 29 – Mar. 1, 2012	Rick Santorum 31%	Mitt Romney 25%	Newt Gingrich 23%	Ron Paul 8%, Someone else/Not sure 13%
	Feb. 29 – Mar. 1, 2012	Rick Santorum 43%	Mitt Romney 33%	Ron Paul 10%	Not sure 14%
Public Policy Polling Margin of error: ±3.4% Sample size: 819	Feb 3–5, 2012	Newt Gingrich 30%	Mitt Romney 30%	Rick Santorum 20%	Ron Paul 11%, Someone else/Not sure 9%
		Newt Gingrich 45%	Mitt Romney 42%		Not sure 13%
		Mitt Romney 67%	Ron Paul 23%		Not sure 10%
		Mitt Romney 45%	Rick Santorum 44%		Not sure 11%
Public Policy Polling Margin of error: ±4.2% Sample size: 555	Jan. 5–8, 2012	Newt Gingrich 25%	Rick Santorum 24%	Mitt Romney 22%	Ron Paul 9%, Jon Huntsman 4%, Rick Perry 4%, Buddy Roemer 1%, someone else/not sure 11%
		Newt Gingrich 43%	Mitt Romney 42%		Not sure 15%
		Mitt Romney 67%	Ron Paul 21%		Not sure 12%
		Mitt Romney 52%	Rick Perry 35%		Not sure 13%
		Rick Santorum 51%	Mitt Romney 33%		Not sure 16%
Public Policy Polling Margin of error: ±4.1% Sample size: 568	Dec. 1–4, 2011	Newt Gingrich 51%	Mitt Romney 14%	Michele Bachmann 8%	Ron Paul 7%, Rick Perry 4%, Rick Santorum 3%, Jon Huntsman 1%, Gary Johnson 0%, Someone else/Not sure 11%
Public Policy Polling Margin of error: ±4.5% Sample size: 474	Oct. 27–31, 2011	Herman Cain 30%	Newt Gingrich 22%	Mitt Romney 19%	Rick Perry 10%, Michele Bachmann 4%, Ron Paul 4%, Jon Huntsman 2%, Rick Santorum 2%, Gary Johnson 0%, someone else/not sure 8%
		Mitt Romney 50%	Rick Perry 35%	–	not sure 16%
		Herman Cain 49%	Mitt Romney 37%	–	not sure 14%
		Herman Cain 53%	Rick Perry 28%	–	not sure 19%
Public Policy Polling Margin of error: ±4.9% Sample size: 400	Sep. 30 – Oct. 3, 2011	Herman Cain 21%	Chris Christie 19%	Newt Gingrich 13%	Mitt Romney 13%, Rick Perry 11%, Michele Bachmann 6%, Ron Paul 6%, Jon Huntsman 2%, Rick Santorum 2%, Someone else/Not sure 7%
	Sep. 30 – Oct. 3, 2011	Herman Cain 27%	Newt Gingrich 17%	Mitt Romney 17%	Rick Perry 15%, Michele Bachmann 6%, Ron Paul 6%, Jon Huntsman 2%, Rick Santorum 2%, Someone else/Not sure 8%
Public Policy Polling Margin of error: ±4.9% Sample size: 400	Sep. 1–4, 2011	Rick Perry 33%	Sarah Palin 13%	Mitt Romney 10%	Herman Cain 9%, Ron Paul 9%, Newt Gingrich 6%, Michele Bachmann 5%, Jon Huntsman 2%, Rick Santorum 2%, someone else/undecided 12%
	Sep. 1–4, 2011	Rick Perry 35%	Mitt Romney 12%	Ron Paul 10%	Herman Cain 9%, Michele Bachmann 8%, Newt Gingrich 8%, Rick Santorum 4%, Jon Huntsman 2%, someone else/undecided 12%
Public Policy Polling Margin of error: ±4.9% Sample size: 400	Aug. 4–7, 2011	Sarah Palin 17%	Rick Perry 17%	Mitt Romney 17%	Herman Cain 11%, Newt Gingrich 10%, Michele Bachmann 9%, Ron Paul 7%, Tim Pawlenty 2%, Jon Huntsman 1%, someone else/undecided 9%
	Aug. 4–7, 2011	Michele Bachmann 17%	Rick Perry 17%	Mitt Romney 16%	Newt Gingrich 11%, Ron Paul 11%, Herman Cain 9%, Tim Pawlenty 4%, Jon Huntsman 2%, someone else/undecided 13%
Public Policy Polling Margin of error: ±4.9% Sample size: 400	Jul. 7–10, 2011	Mitt Romney 18%	Michele Bachmann 17%	Rick Perry 14%	Sarah Palin 12%, Herman Cain 8%, Newt Gingrich 8%, Ron Paul 7%, Tim Pawlenty 4%, Jon Huntsman 1%, someone else/undecided 9%
	Jul. 7–10, 2011	Mitt Romney 23%	Michele Bachmann 22%	Rick Perry 14%	Herman Cain 9%, Newt Gingrich 9%, Ron Paul 6%, Tim Pawlenty 5%, Jon Huntsman 2%, someone else/undecided 10%
Public Policy Polling Margin of error: ±4.9% Sample size: 400	Jun. 8–11, 2011	Mitt Romney 20%	Herman Cain 18%	Sarah Palin 17%	Newt Gingrich 12%, Ron Paul 8%, Tim Pawlenty 8%, Michele Bachmann 5%, Jon Huntsman 1%, someone else/undecided 10%
Public Policy Polling Margin of error: ±4.9% Sample size: 400	Feb. 16–21, 2011	Mike Huckabee 24%	Newt Gingrich 18%	Mitt Romney 18%	Sarah Palin 16%, Ron Paul 6%, Tim Pawlenty 5%, Mitch Daniels 2%, John Thune 1%, someone else/undecided 11%
Public Policy Polling Margin of error: ±4.9% Sample size: 400	Jan. 20–23, 2011	Mike Huckabee 27%	Newt Gingrich 18%	Sarah Palin 16%	Mitt Romney 11%, Tim Pawlenty 7%, Ron Paul 6%, Mitch Daniels 3%, John Thune 1%, someone else/undecided 10%
Public Policy Polling Margin of error: ±4.9% Sample size: 400	Dec. 17–19, 2010	Newt Gingrich 21%	Sarah Palin 21%	Mike Huckabee 18%	Mitt Romney 18%, Ron Paul 7%, Tim Pawlenty 3%, Mitch Daniels 1%, John Thune 1%, someone else/undecided 12%
Public Policy Polling Margin of error: ±4.9% Sample size: 400	Nov. 19–21, 2010	Mike Huckabee 25%	Sarah Palin 21%	Newt Gingrich 17%	Mitt Romney 10%, Ron Paul 7%, Tim Pawlenty 4%, John Thune 2%, Mitch Daniels 1%, someone else/undecided 12%
Public Policy Polling Margin of error: ±5.6% Sample size: 307	Oct. 30–31, 2010	Newt Gingrich 23%	Mike Huckabee 19%	Sarah Palin 19%	Mitt Romney 14%, Tim Pawlenty 4%, Mitch Daniels 2%, Mike Pence 2%, John Thune 0%, someone else/undecided 16%
Public Policy Polling Margin of error: ±4.9% Sample size: 400	Apr. 8–11, 2010	Mike Huckabee 30%	Sarah Palin 30%	Mitt Romney 27%	undecided 14%
Public Policy Polling Margin of error: ±5.6% Sample size: 311	Mar. 12–15, 2010	Mike Huckabee 30%	Sarah Palin 27%	Mitt Romney 25%	undecided 17%
Public Policy Polling Margin of error: ±3.9% Sample size: 646	Feb. 12–15, 2010	Mike Huckabee 33%	Sarah Palin 27%	Mitt Romney 25%	undecided 14%

West Virginia (May 8)

Main article: West Virginia Republican primary, 2012

Winner: Mitt Romney
Primary date: May 8, 2012
Delegates: 31

Poll source	Date	1^st	2^nd	3^rd	Other
Public Policy Polling Margin of error: ±5.7% Sample size: 300	Sep. 30 – Oct. 2, 2011	Herman Cain 21%	Chris Christie 17%	Newt Gingrich 14%	Mitt Romney 13%, Michele Bachmann 9%, Rick Perry 9%, Ron Paul 5%, Rick Santorum 3%, Jon Huntsman 2%, Someone else/Undecided 7%
	Sep. 30 – Oct. 2, 2011	Herman Cain 24%	Newt Gingrich 18%	Mitt Romney 16%	Rick Perry 15%, Michele Bachmann 8%, Ron Paul 6%, Rick Santorum 3%, Jon Huntsman 2%, Someone else/Undecided 9%
Public Policy Polling Margin of error: ±6.1% Sample size: 257	Sep. 1–4, 2011	Rick Perry 32%	Sarah Palin 14%	Mitt Romney 14%	Newt Gingrich 8%, Michele Bachmann 6%, Herman Cain 5%, Ron Paul 4%, Jon Huntsman 2%, Rick Santorum 2%, someone else/undecided 14%
	Sep. 1–4, 2011	Rick Perry 33%	Mitt Romney 14%	Michele Bachmann 11%	Newt Gingrich 11%, Ron Paul 7%, Herman Cain 6%, Rick Santorum 4%, Jon Huntsman 1%, someone else/undecided 13%
Public Policy Polling Margin of error: ±5.5% Sample size: 314	May 11–12, 2011	Mike Huckabee 21%	Sarah Palin 15%	Mitt Romney 15%	Newt Gingrich 12%, Ron Paul 9%, Donald Trump 9%, Michele Bachmann 4%, Tim Pawlenty 3%, someone else/undecided 12%
Public Policy Polling Margin of error: ±5.2% Sample size: 355	Jan. 20–23, 2011	Mike Huckabee 28%	Sarah Palin 23%	Newt Gingrich 17%	Mitt Romney 10%, Ron Paul 6%, Tim Pawlenty 5%, Mitch Daniels 2%, John Thune 0%, someone else/undecided 8%
Public Policy Polling Margin of error: ±4.3% Sample size: 521	Oct. 30–31, 2010	Sarah Palin 25%	Mike Huckabee 22%	Newt Gingrich 15%	Mitt Romney 15%, Tim Pawlenty 2%, Mike Pence 2%, Mitch Daniels 1%, John Thune 1%, someone else/undecided 17%
Public Policy Polling Margin of error: ±4.2% Sample size: 553	Sep. 18–19, 2010	Mike Huckabee 27%	Sarah Palin 24%	Newt Gingrich 16%	Mitt Romney 13%, Ron Paul 6%, someone else 5%, undecided 9%

Nebraska (May 15)

Main article: Nebraska Republican primary, 2012

Winner: Mitt Romney
Primary date: May 15, 2012
Delegates: 35

Poll source	Date	1^st	2^nd	3^rd	Other
Public Policy Polling Margin of error: ±4.7% Sample size: 440	Mar. 22–25, 2012	Rick Santorum 39%	Mitt Romney 25%	Newt Gingrich 16%	Ron Paul 10%, Someone else/Not sure 10%
	Mar. 22–25, 2012	Rick Santorum 51%	Mitt Romney 30%	Ron Paul 10%	Not sure 9%
Public Policy Polling Margin of error: ±4.9% Sample size: 400	Sep. 30 – Oct. 2, 2011	Herman Cain 27%	Chris Christie 19%	Newt Gingrich 12%	Michele Bachmann 8%, Mitt Romney 8%, Rick Perry 7%, Ron Paul 5%, Jon Huntsman 3%, Rick Santorum 3%, Someone else/Not sure 8%
	Sep. 30 – Oct. 2, 2011	Herman Cain 30%	Newt Gingrich 16%	Mitt Romney 13%	Michele Bachmann 10%, Rick Perry 10%, Ron Paul 5%, Rick Santorum 4%, Jon Huntsman 2%, Someone else/Not sure 10%
Public Policy Polling Margin of error: ±4.3% Sample size: 519	Jan. 26–27, 2011	Mike Huckabee 21%	Sarah Palin 19%	Newt Gingrich 18%	Mitt Romney 15%, Ron Paul 8%, Tim Pawlenty 4%, John Thune 3%, Mitch Daniels 1%, undecided 12%

Oregon (May 15)

Main article: Oregon Republican primary, 2012

Winner: Mitt Romney
Primary date: May 15, 2012
Delegates: 29

Poll source	Date	1^st	2^nd	3^rd	Other
SurveyUSA Margin of error: ±4.9% Sample size: 425	May 7–10, 2012	Mitt Romney 58%	Ron Paul 14%	Rick Santorum 11%	Newt Gingrich 6%, Other 3%, Undecided 7%
SurveyUSA Margin of error: ±4.6% Sample size: 463	Mar. 14–19, 2012	Mitt Romney 38%	Rick Santorum 31%	Newt Gingrich 14%	Ron Paul 9%, Other 2%, Undecided 7%
Public Policy Polling Margin of error: ±6.1% Sample size: 262	Jun. 19–21, 2011	Mitt Romney 28%	Michele Bachmann 18%	Sarah Palin 16%	Ron Paul 9%, Herman Cain 8%, Newt Gingrich 6%, Tim Pawlenty 6%, Jon Huntsman 0%, Someone else/Not sure 9%
	Jun. 19–21, 2011	Michele Bachmann 29%	Mitt Romney 28%	Ron Paul 10%	Newt Gingrich 9%, Herman Cain 7%, Tim Pawlenty 6%, Jon Huntsman 2%, Someone else/Not sure 8%

Kentucky (May 22)

Main article: Kentucky Republican primary, 2012

Winner: Mitt Romney
Primary date: May 22, 2012
Delegates: 45

Poll source	Date	1^st	2^nd	3^rd	Other
Public Policy Polling Margin of error: ±5.4% Sample size: 326	Aug. 25–28, 2011	Rick Perry 34%	Mitt Romney 14%	Sarah Palin 12%	Ron Paul 8%, Newt Gingrich 7%, Michele Bachmann 6%, Herman Cain 3%, Jon Huntsman 3%, Rick Santorum 2%, someone else/undecided 10%
	Aug. 25–28, 2011	Rick Perry 39%	Mitt Romney 15%	Ron Paul 11%	Michele Bachmann 10%, Newt Gingrich 8%, Herman Cain 3%, Jon Huntsman 1%, Rick Santorum 1%, someone else/undecided 11%
Public Policy Polling Margin of error: ±5.5% Sample size: 320	Oct. 28–30, 2010	Mike Huckabee 26%	Sarah Palin 19%	Newt Gingrich 17%	Mitt Romney 13%, Mitch Daniels 4%, Tim Pawlenty 1%, Mike Pence 2%, John Thune 0%, someone else/undecided 16%
Public Policy Polling Margin of error: ±3.0% Sample size: 1,065	May 15–16, 2010	Mike Huckabee 25%	Newt Gingrich 23%	Sarah Palin 20%	Mitt Romney 16%, Ron Paul 8%, undecided 8%
Public Policy Polling Margin of error: ±5.1% Sample size: 363	May 1–2, 2010	Mike Huckabee 24%	Sarah Palin 24%	Newt Gingrich 18%	Mitt Romney 13%, Ron Paul 6%, undecided 15%
Magellan Strategies Margin of error: ±4.1% Sample size: 560	Feb. 18, 2010	Sarah Palin 28%	Mike Huckabee 24%	Mitt Romney 16%	Newt Gingrich 12%, Ron Paul 4%, Tim Pawlenty 2%, undecided 14%

References

^ James Oliphant, "Herman Cain drops out of presidential race" (December 3, 2011). Los Angeles Times.
^ Sarah Wheaton, "Bachmann Says She Will Not Continue in the Race" (January 4, 2012). New York Times.
^ Zeleny, Jeff; Shear, Michael D. (January 19, 2012). "Perry to End Bid for Presidency". The Caucus (The New York Times). http://thecaucus.blogs.nytimes.com/2012/01/19/perry-to-end-bid-for-presidency/. Retrieved January 19, 2012.
^ Blake, Aaron; Henderson, Nia-Malika (April 10, 2012). "Rick Santorum drops out of the presidential race". The Washington Post. http://www.washingtonpost.com/blogs/the-fix/post/rick-santorum-drops-out-of-the-presidential-race/2012/04/10/gIQACvaV8S_blog.html. Retrieved April 19, 2012.
^ "Gingrich Drops Out of the Race". Election Coverage 2012. http://news.yahoo.com/video/opinion-15749653/the-daily-bret-newt-drops-out-of-the-race-29083358.html. Retrieved 1 May 2012.
^ Kate O'Hare, "Tim Pawlenty quits after third-place straw-poll finish" (August 14, 2011). Los Angeles Times.
^ Robert J. Vickers, "Pawlenty to headline state GOP meeting" (January 3, 2012). The Patriot-News.
^ http://bangordailynews.com/2012/02/18/politics/ron-paul-carries-hancock-as-state-nears-end-of-gop-caucuses/
^ Anita Kumar, "Gingrich, Perry disqualified from Va. primary ballot" (December 24, 2011).

United States presidential election, 2012

Democratic Party

Incumbent and presumptive nominee: Barack Obama (campaign) Incumbent and presumptive VP nominee: Joe Biden

Challengers: Bob Ely Keith Russell Judd Warren Mosler Darcy Richardson Jim Rogers Vermin Supreme Randall Terry John Wolfe

Republican Party

Presumptive nominee: Mitt Romney (campaign)

Candidates: Michele Bachmann (campaign)
Herman Cain (campaign)
Jack Fellure
Newt Gingrich (campaign)
Stewart Greenleaf
Jon Huntsman (campaign)
Gary Johnson (campaign)
Fred Karger
Andy Martin
Thaddeus McCotter (campaign)
Jimmy McMillan
Roy Moore
Ron Paul (campaign)
Tim Pawlenty (campaign)
Rick Perry (campaign)
Buddy Roemer (campaign)
Rick Santorum (campaign)
Jonathon Sharkey

Libertarian Party
Convention

Nominee: Gary Johnson (campaign)
VP Nominee: Jim Gray

Green Party
Convention


Candidates: Stewart Alexander Roseanne Barr Kent Mesplay Jill Stein

Other Third party and independent candidates

American Third Position Party	Nominee: Merlin Miller VP Nominee: Virginia Abernethy

America's Party	Nominee: Tom Hoefling

Boston Tea Party	Nominee: Jim Duensing

Constitution Party	Nominee: Virgil Goode VP Nominee: Jim Clymer Candidates: Darrell Castle Laurie Roth Robby Wells

Freedom Socialist Party	Nominee: Stephen Durham

Justice Party	Nominee: Rocky Anderson

Objectivist Party	Nominee: Tom Stevens

Party for Socialism and Liberation	Nominee: Peta Lindsay

Peace and Freedom Party	Candidates: Stewart Alexander Rocky Anderson Stephen Durham Peta Lindsay

Prohibition Party	Nominee: Jack Fellure Candidates: James Hedges

Reform Party USA	Candidates: Andre Barnett Laurence Kotlikoff Buddy Roemer (campaign) Robert David Steele Robby Wells

Socialist Equality Party	Nominee: Jerry White

Socialist Party USA	Nominee: Stewart Alexander (campaign) VP Nominee: Alejandro Mendoza

Independents	Candidates: Lee Abramson Randy Blythe Robert Burck Terry Jones Joe Schriner

Draft movements	Michael Bloomberg (movement)

v t e Republican Party presidential primaries, 2012

Results Polling Convention

States	Alabama Alaska Arizona Arkansas California Colorado Connecticut Delaware Florida Georgia Hawaii Idaho Illinois Indiana Iowa Kansas Kentucky Louisiana Maine Maryland Massachusetts Michigan Minnesota Mississippi Missouri Montana Nebraska Nevada New Hampshire New Jersey New Mexico New York North Carolina North Dakota Ohio Oklahoma Oregon Pennsylvania Rhode Island South Carolina South Dakota Tennessee Texas Utah Vermont Virginia Washington West Virginia Wisconsin Wyoming

Other	American Samoa District of Columbia Guam Northern Mariana Islands Puerto Rico United States Virgin Islands

Statewide opinion polling for the Republican Party presidential primaries, 2012

Polling for upcoming primaries

Polling for completed primaries

See also

References

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