2016 Oregon Democratic presidential primary

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The 2016 Oregon Democratic presidential primary was held on May 17 in the U.S. state of Oregon as one of the Democratic Party's primaries ahead of the 2016 presidential election.

2016 Oregon Democratic presidential primary

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  Bernie Sanders September 2015 cropped.jpg Hillary Clinton by Gage Skidmore 2.jpg
Candidate Bernie Sanders Hillary Clinton
Home state Vermont New York
Delegate count 36 25
Popular vote 360,829[1] 269,846
Percentage 56.24% 42.06%

Oregon Democratic Presidential Primary Election Results by County, 2016.svg
Election results by county.
  Hillary Clinton
  Bernie Sanders
Supporters of both Clinton and Sanders at the 2015 Portland Pride Parade

On the same day, the Democratic Party held their Kentucky primary, while the Republican Party held their own Oregon primary on that day.

Opinion pollingEdit

Poll source Date 1st 2nd Other
Official Primary Results May 17, 2016 Bernie Sanders
Hillary Clinton
DHM Research[2]

Margin of error: ± 5.6%
Sample size: 901

May 6-9, 2016 Hillary Clinton
Bernie Sanders
Others / Undecided

Margin of error: ± 4.0%
Sample size: 630

March 28-April 1, 2016 Hillary Clinton
Bernie Sanders
Others / Undecided
DHM Research[4]

Margin of error: ± 7%
Sample size: 206

July 22–27, 2015 Hillary Clinton
Bernie Sanders
Others / Undecided


Bernie Sanders rally in Portland, Oregon, March 25, 2016.
Oregon Democratic primary, May 17, 2016
Candidate Popular vote Estimated delegates
Count Percentage Pledged Unpledged Total
Bernie Sanders 360,829 56.24% 36 3 39
Hillary Clinton 269,846 42.06% 25 7 32
Misc. 10,920 1.70% 0 0 0
(available) N/A 0 3 3
Total 641,595 100% 61 13 74
Source: The Green Papers, Oregon Secretary of State - Official Election Results


As Barack Obama had done against Hillary Clinton in the state eight years earlier, Sanders won a convincing double-digit victory in Oregon, as he tried to breathe new life into his campaign. Massive grassroots support across the state helped the progressive and populist candidate achieve a double-digit win in a state with a closed primary. Sanders swept all counties in the state but one. He won a large victory in populous Portland in Multnomah County, where the bulk of the vote came from. He also was buoyed by support from the capital city of Salem in Marion County. Sanders swept all of the other major cities as well, including Eugene, Bend, and Medford, and likewise performed strongly in most of the rural and remote counties of the state, including those of Central Oregon and in the Oregon high desert bordering Idaho from the west. Sanders performed well in areas that were diverse in ethnicity as well as those which were less diverse. In fact, some of his largest margins of victory came from areas with a greater ethnic diversity in the state, such as Portland or Hillsboro, Oregon.

Clinton only won one county, Gilliam County, by one vote.


  1. ^ Oregon Secretary of State - Official Election Results
  2. ^ "Poll: Despite Bernie Sanders' Crowds, Hillary Clinton Ahead In Oregon". May 10, 2016. Retrieved May 11, 2016.
  3. ^ "In City of Portland, Oregon: Ted Wheeler Is Overwhelming Favorite to Win Mayoral Primary; But Will He Avoid an 11/08/16 Runoff?". Retrieved 2016-04-02.
  4. ^ "Oregon presidential poll: Hillary Clinton pressed by Bernie Sanders; Donald Trump leads GOP field". Retrieved 2015-08-06.