Political party strength in Wyoming

The following tables indicate the historic party affiliation of elected officials in the U.S. state of Wyoming including:

Governor
Secretary of State
State Auditor
State Treasurer
Superintendent of Public Instruction

The tables also indicate the historical party composition in the:

For years in which a United States presidential election was held, the tables indicate which party's nominees received the State's electoral votes. Prior to statehood in 1889, there were fewer elected offices, as indicated.

Wyoming Territory

Year	Executive offices		U.S. Congress
Year	Governor	Secretary of State	U.S. House (non-voting member)
1869	John Allen Campbell (R)^[a]	Edward Merwin Lee (R)	Stephen Friel Nuckolls (D)
1870		Herman Glafcke (R)	Stephen Friel Nuckolls (D)
1871			William Theopilus Jones (R)
1872			William Theopilus Jones (R)
1873		Jason B. Brown (D)	William Randolph Steele (D)
1874		Jason B. Brown (D)
1875	John Milton Thayer (R)	George W. French (R)
1876
1877			William Wellington Corlett (R)
1878	John Wesley Hoyt (R)		William Wellington Corlett (R)
1879		Albertis Worth Spates (R)	Stephen Wheeler Downey (R)
1880		Elliot S. N. Morgan (R)	Stephen Wheeler Downey (R)
1881			Morton Everel Post (D)
1882	William Hale (R)
1883
1884
1885	Elliot S. N. Morgan (R)		Joseph M. Carey (R)
1885	Francis E. Warren (R)
1886	George W. Baxter (D)
1886	Elliot S. N. Morgan (R)
1887	Thomas Moonlight (D)	Samuel D. Shannon (D)
1888	Thomas Moonlight (D)	Samuel D. Shannon (D)
1889	Francis E. Warren (R)	John W. Meldrum (R)

State of Wyoming

Year	Executive offices					State Legislature		United States Congress			Electoral votes
Year	Governor	Secretary of State	Auditor	Treasurer	Supt. of Pub. Inst.	State Senate	State House	U.S. Senator (Class I)	U.S. Senator (Class II)	U.S. House	Electoral votes
1890	Francis E. Warren (R)^[b]	Amos W. Barber (R)	Charles W. Burdick (R)	Otto Gramm (R)	Stephen H. Farwell (R)	13R, 3D	26R, 7D	Francis E. Warren (R)	Joseph M. Carey (R)	Clarence D. Clark (R)
1890	Amos W. Barber (R)^[c]
1891
1892											Harrison/ Reid (R) N
1893	John Eugene Osborne (D)					11R, 5D	16D, 12R, 5Pop^[d]			Henry A. Coffeen (D)
1894	John Eugene Osborne (D)					11R, 5D	16D, 12R, 5Pop^[d]	vacant		Henry A. Coffeen (D)
1895	William A. Richards (R)	Charles W. Burdick (R)	William O. Owen (R)	Henry G. Hay (R)	Estelle Reel (R)^[e]	14R, 4D	34R, 2D, 1Pop	Clarence D. Clark (R)	Francis E. Warren (R)	Frank Wheeler Mondell (R)
1896						14R, 4D	34R, 2D, 1Pop			Frank Wheeler Mondell (R)	Bryan/ Sewall (D) N
1897						14R, 4D, 1SvD	23R, 11D, 3Fus, 1Pop			John Eugene Osborne (D)
1898					Charles Parmelee (D)^[f]	14R, 4D, 1SvD	23R, 11D, 3Fus, 1Pop			John Eugene Osborne (D)
1899	DeForest Richards (R)^[g]	Fenimore Chatterton (R)	LeRoy Grant (R)	George E. Abbott (R)	Thomas T. Tynan (R)	13R, 6D	35R, 3D			Frank Wheeler Mondell (R)
1900						13R, 6D	35R, 3D				McKinley/ Roosevelt (R) Y
1901						16R, 2D, 1Pop	36R, 2D
1902						16R, 2D, 1Pop	36R, 2D
1903	Fenimore Chatterton (R)^[c]			William C. Irvine (R)		21R, 2D	46R, 4D
1904	Fenimore Chatterton (R)^[c]					21R, 2D	46R, 4D				Roosevelt/ Fairbanks (R) Y
1905	Bryant Butler Brooks (R)					20R, 3D	47R, 3D
1906						20R, 3D	47R, 3D
1907		William Schnitger (R)		Edward H. Gillette (R)	Archibald D. Cook (R)	21R, 2D	45R, 5D
1908						21R, 2D	45R, 5D				Taft/ Sherman (R) Y
1909						24R, 3D	49R, 7D
1910						24R, 3D	49R, 7D
1911	Joseph M. Carey (D)^[h]	Frank L. Houx (D)	Robert B. Forsyth (R)	John L. Baird (R)	Rose A. Bird Maley (R)	21R, 6D	31R, 25D
1912	Joseph M. Carey (Prog)					21R, 6D	31R, 25D				Wilson/ Marshall (D) Y
1913						19R, 8D	29R, 28D
1914						19R, 8D	29R, 28D
1915	John B. Kendrick (D)^[b]			Herman B. Gates (R)	Edith K. O. Clark (R)	18R, 9D	42R, 15D
1916	John B. Kendrick (D)^[b]					18R, 9D	42R, 15D				Wilson/ Marshall (D) Y
1917	Frank L. Houx (D)^[c]					16R, 11D	32R, 25D	John B. Kendrick (D)
1918	Frank L. Houx (D)^[c]					16R, 11D	32R, 25D
1919	Robert D. Carey (R)	William E. Chaplin (R)	I. C. Jefferis (R)	A. D. Hoskins (R)	Katherine A. Morton (R)	17R, 10D	43R, 11D
1920						17R, 10D	43R, 11D				Harding/ Coolidge (R) Y
1921						22R, 3D	53R, 1D
1922						22R, 3D	53R, 1D
1923	William B. Ross (D)^[g]	Frank Lucas (R)	Vincent Carter (R)	John M. Snyder (R)		20R, 5D	37R, 23D			Charles E. Winter (R)
1924	Frank Lucas (R)^[c]					20R, 5D	37R, 23D				Coolidge/ Dawes (R) Y
1925	Nellie Tayloe Ross (D)					16R, 11D	39R, 23D
1926	Nellie Tayloe Ross (D)					16R, 11D	39R, 23D
1927	Frank Emerson (R)^[g]	Alonzo M. Clark (R)		William H. Edelman (R)		15R, 12D	45R, 17D
1928						15R, 12D	45R, 17D				Hoover/ Curtis (R) Y
1929			Roscoe Alcorn (R)			17R, 10D	51R, 11D		Patrick J. Sullivan (R)	Vincent Carter (R)
1930						17R, 10D	51R, 11D		Robert D. Carey (R)
1931	Alonzo M. Clark (R)^[c]			Harry R. Weston (R)		21R, 6D	36R, 26D
1932	Alonzo M. Clark (R)^[c]					21R, 6D	36R, 26D				Roosevelt/ Garner (D) Y
1933	Leslie A. Miller (D)					15R, 12D	42D, 20R
1934						15R, 12D	42D, 20R	Joseph C. O'Mahoney (D)
1935		Lester C. Hunt (D)	William M. Jack (D)	J. Kirk Baldwin (D)	Jack R. Gage (D)	14D, 13R	38D, 18R			Paul Ranous Greever (D)
1936						14D, 13R					Roosevelt/ Garner (D) Y
1937						16D, 11R			Harry Schwartz (D)
1938						16D, 11R
1939	Nels H. Smith (R)			Mart T. Christensen (R)	Esther L. Anderson (R)	16R, 11D	37R, 19D			Frank O. Horton (R)
1940							37R, 19D			Frank O. Horton (R)	Roosevelt/ Wallace (D) Y
1941							28R, 28D^[i]			John J. McIntyre (D)
1942							28R, 28D^[i]			John J. McIntyre (D)
1943	Lester C. Hunt (D)^[b]	Mart T. Christensen (R)^[g]		Earl Wright (R)		17R, 10D	39R, 17D		Edward V. Robertson (R)	Frank A. Barrett (R)
1944		William M. Jack (D)^[f]	Carl Robinson (D)^[f]								Dewey/ Bricker (R) N
1944			John J. McIntyre (D)^[f]
1945						21R, 6D	35R, 20D
1946						21R, 6D	35R, 20D
1947		Arthur G. Crane (R)	Everett T. Copenhaver (R)	Clifford Joy Rogers (R)	Edna B. Stolt (R)	19R, 8D	44R, 12D
1948						19R, 8D	44R, 12D				Truman/ Barkley (D) Y
1949	Arthur G. Crane (R)^[c]					18R, 9D	28R, 28D^[j]		Lester C. Hunt (D)
1950	Arthur G. Crane (R)^[c]					18R, 9D	28R, 28D^[j]
1951	Frank A. Barrett (R)^[b]	Clifford Joy Rogers (R)		J. R. Mitchell (R)^[g]		17R, 10D	39R, 17D			William Henry Harrison III (R)
1952	Frank A. Barrett (R)^[b]			Minnie A. Mitchell (R)^[k]		17R, 10D	39R, 17D				Eisenhower/ Nixon (R) Y
1953	Clifford Joy Rogers (R)^[c]					21R, 6D	45R, 11D	Frank A. Barrett (R)
1954									Edward D. Crippa (R)
1954									Joseph C. O'Mahoney (D)
1955	Milward Simpson (R)	Everett T. Copenhaver (R)	Minnie A. Mitchell (R)	Charles B. Morgan (R)	Velma Linford (D)	19R, 8D	32R, 24D			Keith Thomson (R)
1956						19R, 8D	32R, 24D				Eisenhower/ Nixon (R) Y
1957						16R, 11D	30R, 26D
1958							30R, 26D
1959	Joe Hickey (D)^[l]	Jack R. Gage (D)		Clifford Joy Rogers (R)^[g]			30D, 26R	Gale W. McGee (D)
1960	Joe Hickey (D)^[l]						30D, 26R				Nixon/ Lodge (R) N
1961	Jack R. Gage (D)^[c]					17R, 10D	35R, 21D		Joe Hickey (D)	William Henry Harrison III (R)
1962	Jack R. Gage (D)^[c]			Richard J. Luman (R)^[m]		17R, 10D	35R, 21D		Milward Simpson (R)
1963	Clifford Hansen (R)	Thyra Thomson (R)		Everett T. Copenhaver (R)	Cecil M. Shaw (R)	16R, 11D	37R, 19D
1964						16R, 11D	37R, 19D				Johnson/ Humphrey (D) Y
1965						13R, 12D	34D, 27R			Teno Roncalio (D)
1966						13R, 12D	34D, 27R			Teno Roncalio (D)
1967	Stanley K. Hathaway (R)		Everett T. Copenhaver (R)^[e]	Minnie A. Mitchell (R)	Harry Roberts (R)	18R, 12D	34R, 27D		Clifford Hansen (R)	William Henry Harrison III (R)
1968							34R, 27D			William Henry Harrison III (R)	Nixon/ Agnew (R) Y
1969							45R, 16D			John S. Wold (R)
1970							45R, 16D			John S. Wold (R)
1971				James B. Griffith (R)	Robert G. Schrader (R)	19R, 11D	40R, 20D, 1I			Teno Roncalio (D)
1972						19R, 11D	40R, 20D, 1I				Nixon/ Agnew (R) Y
1973			Edwin J. Witzenburger (R)^[f]			17R, 13D	44R, 17D, 1I
1974			Edwin J. Witzenburger (R)^[f]			17R, 13D	44R, 17D, 1I
1975	Edgar Herschler (D)		James B. Griffith (R)	Edwin J. Witzenburger (R)		15R, 15D^[n]	32R, 29D, 1I
1976						15R, 15D^[n]					Ford/ Dole N
1977						18R, 12D		Malcolm Wallop (R)
1978						18R, 12D
1979				Shirley Wittler (R)	Lynn Simons (D)	19R, 11D	42R, 20D		Alan Simpson (R)	Dick Cheney (R)^[e]
1980							42R, 20D				Reagan/ Bush (R) Y
1981							39R, 23D
1982							39R, 23D
1983				Stan Smith (R)			38R, 25D, 1I
1984							38R, 25D, 1I				Reagan/ Bush (R) Y
1985							46R, 18D
1986							46R, 18D
1987	Mike Sullivan (D)	Kathy Karpan (D)	Jack Sidi (R)				44R, 20D
1988							44R, 20D				Bush/ Quayle (R) Y
1989							43R, 21D			Craig L. Thomas (R)
1990							43R, 21D
1991			Dave Ferrari (R)		Diana Ohman (R)	20R, 10D	42R, 22D
1992							42R, 22D				Bush/ Quayle (R) N
1993							41R, 19D
1994							41R, 19D
1995	Jim Geringer (R)	Diana Ohman (R)			Judy Catchpole (R)		47R, 13D	Craig L. Thomas (R)^[g]		Barbara Cubin (R)
1996							47R, 13D				Dole/ Kemp (R) N
1997						21R, 9D	43R, 17D		Mike Enzi (R)
1998
1999		Joseph Meyer (R)	Max Maxfield (R)	Cynthia Lummis (R)
2000											Bush/ Cheney (R) Y
2001						20R, 10D	46R, 14D
2002							46R, 14D
2003	Dave Freudenthal (D)				Trent Blankenship (R)		45R, 15D
2004							45R, 15D				Bush/ Cheney (R) Y
2005						23R, 7D	46R, 14D
2006							46R, 14D
2007		Max Maxfield (R)	Rita Meyer (R)	Joseph Meyer (R)^[g]	Jim McBride (R)		43R, 17D
2007								John Barrasso (R)^[k]
2008											McCain/ Palin (R) N
2009							41R, 19D			Cynthia Lummis (R)
2010							41R, 19D
2011	Matt Mead (R)		Cynthia Cloud (R)		Cindy Hill (R)	26R, 4D	50R, 10D
2012							50R, 10D				Romney/ Ryan (R) N
2013				Mark Gordon (R)			52R, 8D
2014							52R, 8D
2015		Ed Murray (R)^[e]			Jillian Balow (R)		51R, 9D
2016											Trump/ Pence (R) Y
2017						27R, 3D				Liz Cheney (R)
2018		Edward Buchanan (R)^[f]^[o]
2019	Mark Gordon (R)		Kristi Racines (R)	Curt Meier (R)			50R, 9D, 1I
2020							50R, 9D, 1I				Trump/ Pence (R) N
2021						28R, 2D	51R, 7D, 1L, 1I		Cynthia Lummis (R)
2022							51R, 7D, 1L, 1I
2023		Chuck Gray (R)			Megan Degenfelder (R)		57R, 5D			Harriet Hageman (R)
2024		Chuck Gray (R)			Megan Degenfelder (R)		57R, 5D			Harriet Hageman (R)	^{[to be determined]}
Year	Governor	Secretary of State	Auditor	Treasurer	Supt. of Pub. Inst.	State Senate	State House	U.S. Senator (Class I)	U.S. Senator (Class II)	U.S. House	Electoral votes
Year	Executive offices					State Legislature		United States Congress			Electoral votes

Key to party colors and abbreviations for members of the U.S. Congress and other politicians or officials

Alaskan Independence (AKIP)
American (Know Nothing) (KN)
American Labor (AL)
Anti-Jacksonian (Anti-J) National Republican (NR)
Anti-Administration (AA)
Anti-Masonic (Anti-M)
Conservative (Con)
Covenant (Cov)

Democratic (D)
Democratic–Farmer–Labor (DFL)
Dixiecrat (Dix), States' Rights (SR)
Democratic-Republican (DR)
Farmer–Labor (FL)
Federalist (F) Pro-Administration (PA)

Free Soil (FS)
Fusion (Fus)
Greenback (GB)
Independence (IPM)
Independent Democrat (ID)
Independent Republican (IR)
Jacksonian (J)
Liberal (Lib)

Libertarian (L)
National Union (NU)
Nonpartisan League (NPL)
Democratic–Nonpartisan League (D-NPL)
Nullifier (N)
Opposition Northern (O) Opposition Southern (O)
Populist (Pop)
Progressive (Prog)

Prohibition (Proh)
Readjuster (Rea)
Republican (R)
Silver (Sv)
Silver Republican (SvR)
Socialist (Soc)
Unionist (U)
Unconditional Unionist (UU)

Vermont Progressive (VP)
Whig (W)
Independent (I)
Nonpartisan (NP)

^ Of Wyoming Territory.
^ ^a ^b ^c ^d Resigned to take an elected seat in the United States Senate.
^ ^a ^b ^c ^d ^e ^f ^g ^h As state secretary of state, acted as governor.
^ A coalition of Democrats and Populists elected a Populist, L.C. Tidball, as Speaker, and organized the chamber.
^ ^a ^b ^c ^d Resigned.
^ ^a ^b ^c ^d ^e ^f Appointed to fill vacancy.
^ ^a ^b ^c ^d ^e ^f ^g ^h Died in office.
^ Helped to organize the national Progressive Party in 1912.
^ Elected a Democrat, Carl Robinson, as Speaker.
^ Elected a Republican, Herman D. Mayland, as Speaker.
^ ^a ^b Initially appointed to fill vacancy; later elected in his or her own right.
^ Resigned to take an appointed seat in the United States Senate.
^ As deputy state treasurer, assumed the duties of treasurer.
^ With a coin flip, the Democrats received the Senate Presidency under J.W. Myers, and control of committees alternated between each party also with a coin flip for the first committee.^[1]
^ Karen Wheeler (R) served as Acting Secretary of State from February 9–March 1, 2018 between Murray's resignation and Buchanan's appointment.