Political party strength in Alaska
- Governor, including pre-statehood governors, who were appointed by the U.S. president and usually of the same political party; and
- Lieutenant Governor
The table also indicates the historical party composition in the:
- Territorial and State Senate
- Territorial and State House of Representatives
- State delegation to the United States Senate
- State delegation to the United States House of Representatives, including non-voting delegates elected pre-statehood
For years in which a United States presidential election was held, the table indicates which party's nominees received the state's electoral votes.
The parties are as follows:
- Alaskan Independence (A)
- Democratic (D)
- Home Rule (H)
- Independent (I)
- Independent Democrat (ID)
- Independent Republican (IR)
- Libertarian (L)
- No Party (N)
- Progressive (P)
- Progressive Democrat (PD)
- Progressive Home Rule (PH)
- Republican (R)
- a tie or coalition within a group of elected officials
|Year||Executive offices||State Legislature||United States Congress||Electoral College|
|Governor||Lt. Governor||Senate||House||House||Senate (Class 2)||Senate (Class 3)|
|1884||John Kinkead (R)||no such office||no such bodies||no such office||no such offices||no electoral votes|
|1885||Alfred P. Swineford (D)|
|1889||Lyman Enos Knapp (R)|
|1893||James Sheakley (D)|
|1897||John G. Brady (R)|
|1906||Wilford B. Hoggatt (R)||Frank H. Waskey (D)|
|1907||Thomas Cale (I)|
|1909||Walter Eli Clark (R)||James Wickersham (R)|
|1913||J. F. A. Strong (D)||3N, 2D, 1I, 1N+R, 1R||8N, 2R, 1D, 1I, 1IR, 1N+I, 1PH, 1 vacancy|
|1915||3D, 3N, 1I, 1P||7N, 3D, 3I, 1H, 1ID, 1R|
|1917||3D, 2N, 1IR, 1P, 1R,||7D, 6R, 2I, 1PD||Charles A. Sulzer (D)|
|1918||Thomas Riggs, Jr. (D)|
|1919||5D, 2N, 1IR||11D, 4R, 1I||James Wickersham (R)|
|Charles A. Sulzer (D)|
|George B. Grigsby (D)|
|1921||Scott C. Bone (R)||4D, 3R, 1IR||11R, 2I, 1D, 1ID, 1IR||James Wickersham (R)|
|Daniel Sutherland (R)|
|1923||5R, 2I, 1D||11R, 4I, 1D|
|1925||George A. Parks (R)||4R, 2D, 2I||9R, 4D, 2I, 1R+I|
|1927||5R, 2I, 1D||12R, 3D, 1I|
|1929||5R, 2D, 1I||9R, 3D, 3I, 1IR|
|1931||4D, 4R||11R, 4D, 1I||James Wickersham (R)|
|4R, 3D, 1 vacancy|
|1933||John Weir Troy (D)||6D, 2R||12D, 4R||Anthony Dimond (D)|
|1940||Ernest Gruening (D)|
|1945||14D, 2R||20D, 4R||Bob Bartlett (D)|
|1947||9D, 7R||13R, 11D|
|1953||Frank Heintzleman (R)||11R, 5D||19R, 5D|
|1955||12D, 4R||21D, 3R|
|1957||Waino Hendrickson (acting) (R)||11D, 5R|
|Mike Stepovich (R)|
|Waino Hendrickson (acting) (R)|
|1959||William A. Egan (D)||Hugh Wade (D)||18D, 2R||34D, 5R, 1I||Ralph J. Rivers (D)||Bob Bartlett (D)||Ernest Gruening (D)|
|1960||Richard Nixon and Henry Lodge, Jr. (R) N|
|1961||13D, 7R||20D, 19R, 1I|
|1963||15D, 5R||20D, 20R|
|1964||Lyndon Johnson and Hubert Humphrey (D)|
|1965||17D, 3R||30D, 10R|
|1967||Wally Hickel (R)||Keith H. Miller (R)||14R, 6D||26R, 14D|
|Howard W. Pollock (R)|
|1968||Richard Nixon and Spiro Agnew (R)|
|Ted Stevens (R)|
|1969||11R, 9D||22D, 18R||Mike Gravel (D)|
|Keith H. Miller (R)||Robert W. Ward (R)|
|1971||William A. Egan (D)||H. A. Boucher (D)||10D, 10R||31D, 9R||Nick Begich (D)|
|1973||11R, 9D||20D, 19R, 1N|
|Don Young (R)|
|1975||Jay Hammond (R)||Lowell Thomas, Jr. (R)||13D, 7R||30D, 9R, 1I|
|1976||Gerald Ford and Bob Dole (R) N|
|1977||12D, 8R||25D, 15R|
|1979||Terry Miller (R)||11R, 9D||25D, 14R, 1L|
|1980||Ronald Reagan and George H. Bush (R)|
|1981||10D, 10R||22D, 16R, 2L||Frank Murkowski (R)|
|1983||Bill Sheffield (D)||Steve McAlpine (D)||11R, 9D||20D, 20R|
|1985||11R, 9D||21D, 18R, 1L|
|1987||Steve Cowper (D)||12R, 8D||24D, 16R|
|1988||George H. Bush and Dan Quayle (R)|
|1991||Wally Hickel (A)||Jack Coghill (A)||10D, 10R||23D, 17R|
|1992||George H. Bush and Dan Quayle (R) N|
|1993||10R, 9D, 1ID||20D, 18R, 1A, 1I|
|Wally Hickel (R)||21D, 18R, 1I|
|1995||Tony Knowles (D)||Fran Ulmer (D)||12R, 7D, 1ID||22R, 17D, 1I|
|1996||Bob Dole and Jack Kemp (R) N|
|1997||14R, 6D||25R, 15D|
|1999||15R, 5D||26R, 14D|
|2000||George W. Bush and Dick Cheney (R)|
|2001||14R, 6D||27R, 13D|
|2003||Frank Murkowski (R)||Loren Leman (R)||12R, 8D||Lisa Murkowski (R)|
|2007||Sarah Palin (R)||Sean Parnell (R)||11R, 9D||23R, 17D|
|2008||John McCain and Sarah Palin (R) N|
|2009||Sean Parnell (R)||Craig Campbell (R)||10R, 10D||22R, 18D||Mark Begich (D)|
|2011||Mead Treadwell (R)||24R, 16D|
|2012||Mitt Romney and Paul Ryan (R) N|
|2013||13R, 7D||26R, 14D|
|2015||Bill Walker (I)||Byron Mallott (D)||14R, 6D||23R, 16D, 1I||Dan Sullivan (R)|
|2016||Donald Trump and Mike Pence (R)|
|2017||21R, 17D, 2I|
|2018||Valerie Davidson (I)|
|2019||Mike Dunleavy (R)||Kevin Meyer (R)||12R, 7D||23R, 15D, 2I|
|Year||Governor||Lt. Governor||Senate||House||House||Senate (Class 2)||Senate (Class 3)||Electoral College|
|Executive offices||State Legislature||United States Congress|
- Legislatures listed from 1913-1958 were territorial legislatures, which were elected bodies.
- Territorial delegate.
- Election successfully contested.
- Died in office.
- A Democratic senator died 17 days after the legislative session began. The seat was left vacant. The legislature continued with a Democratic Senate president.
- Resigned following electoral defeat.
- Elected a Republican House Speaker.
- Resigned to become United States Secretary of the Interior.
- First elected in special election.
- Ascended to office upon resignation of predecessor.
- Elected a Republican Senate President.
- Led by a coalition with a Republican House speaker, Tom Fink.
- The "no party" member, Frank R. Ferguson, was elected as a write-in after losing the Democratic primary as an incumbent. He served in the previous and following legislatures as a Democrat.
- Elected a Democratic Senate president.
- Resigned December 2, 2002 to take office as Governor of Alaska.
- The Democratic Speaker who led the House, Jim Duncan, was voted out on June 16, 1981, eight days before the end of session. He was replaced by a tri-partisan coalition of Republicans, native Bush Democrats, and Libertarians (the Libertarians later dropped out) led by Republican Joe Hayes, which remained through the end of this Legislature. The overall partisan composition of the House remained unchanged, however. The coalition led by Hayes was preserved in a slightly different form in the next Legislature, as well. p. 59-62 
- Led by a coalition with a Republican House Speaker, Ramona L. Barnes. p. 71-72
- The representative elected under the AIP, Carl E. Moses, switched his party affiliation to Democratic on May 24, 1994, shortly after Hickel's party switch. The coalition that elected the Republican Speaker stayed in place, however.
- One senator was elected under the Republican Moderate Party, but switched his party affiliation to Republican before the actual start of his term.
- Appointed to fill vacancy.
- A coalition of six Republicans and the Senate's nine Democrats made up the majority caucus.
- From 2009-2011, six Republicans joined the ten Democrats to form a governing coalition. From 2011-2013, five Republicans governed with the ten Democrats.
- Four Democrats caucus with the Republicans.
- Two Democrats caucus with the Republican majority.
- Zak, Annie; Hanlon, Tegan; DeMarban, Alex (October 16, 2018). "Alaska Lt. Gov. Byron Mallott abruptly resigns following "inappropriate comments"". Anchorage Daily News.
- One Democrat caucuses with the Republican majority.
- Three Republicans and both Independents caucus with the Democrats to form a governing coalition.
- Six Republicans and both Independents caucus with the Democrats to form a governing coalition.