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:

• State Senate
• State House of Representatives
• State delegation to the United States Senate
• State delegation to the United States House of Representatives

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
	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)
1871			William Theopilus Jones (R)
1872
1873		Jason B. Brown (D)	William Randolph Steele (D)
1874
1875	John Milton Thayer (R)	George W. French (R)
1876
1877			William Wellington Corlett (R)
1878	John Wesley Hoyt (R)
1879		Albertis Worth Spates (R)	Stephen Wheeler Downey (R)
1880		Elliot S. N. Morgan (R)
1881			Morton Everel Post (D)
1882	William Hale (R)
1883
1884
1885	Elliot S. N. Morgan (R)		Joseph M. Carey (R)
	Francis E. Warren (R)
1886	George W. Baxter (D)
	Elliot S. N. Morgan (R)
1887	Thomas Moonlight (D)	Samuel D. Shannon (D)
1888
1889	Francis E. Warren (R)	John W. Meldrum (R)

State of Wyoming

Year	Executive offices					State Legislature		United States Congress			Electoral votes
	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
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)
	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								vacant
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 W. Mondell (R)
1896											Bryan/ Sewall (D) N
1897						14R, 4D, 1SvD	23R, 11D, 3Fus, 1Pop			John Eugene Osborne (D)
1898					Charles Parmelee (D)[f]
1899	DeForest Richards (R)[g]	Fenimore Chatterton (R)	LeRoy Grant (R)	George E. Abbott (R)	Thomas T. Tynan (R)	13R, 6D	35R, 3D			Frank W. Mondell (R)
1900											McKinley/ Roosevelt (R) Y
1901						16R, 2D, 1Pop	36R, 2D
1902
1903	Fenimore Chatterton (R)[c]			William C. Irvine (R)		21R, 2D	46R, 4D
1904											Roosevelt/ Fairbanks (R) Y
1905	Bryant Butler Brooks (R)					20R, 3D	47R, 3D
1906
1907		William Schnitger (R)		Edward H. Gillette (R)	Archibald D. Cook (R)	21R, 2D	45R, 5D
1908											Taft/ Sherman (R) Y
1909						24R, 3D	49R, 7D
1910
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)										Wilson/ Marshall (D) Y
1913						19R, 8D	29R, 28D
1914
1915	John B. Kendrick (D)[b]			Herman B. Gates (R)	Edith K. O. Clark (R)	18R, 9D	42R, 15D
1916											Wilson/ Marshall (D) Y
1917	Frank L. Houx (D)[c]					16R, 11D	32R, 25D	John B. Kendrick (D)
1918
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											Harding/ Coolidge (R) Y
1921						22R, 3D	53R, 1D
1922
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]										Coolidge/ Dawes (R) Y
1925	Nellie Tayloe Ross (D)					16R, 11D	39R, 23D
1926
1927	Frank Emerson (R)[g]	Alonzo M. Clark (R)		William H. Edelman (R)		15R, 12D	45R, 17D
1928											Hoover/ Curtis (R) Y
1929			Roscoe Alcorn (R)			17R, 10D	51R, 11D		Patrick J. Sullivan (R)	Vincent Carter (R)
1930									Robert D. Carey (R)
1931	Alonzo M. Clark (R)[c]			Harry R. Weston (R)		21R, 6D	36R, 26D
1932											Roosevelt/ Garner (D) Y
1933	Leslie A. Miller (D)					15R, 12D	42D, 20R
1934								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											Roosevelt/ Garner (D) Y
1937						16D, 11R			Harry Schwartz (D)
1938
1939	Nels H. Smith (R)			Mart T. Christensen (R)	Esther L. Anderson (R)	16R, 11D	37R, 19D			Frank O. Horton (R)
1940											Roosevelt/ Wallace (D) Y
1941							28R, 28D[i]			John J. McIntyre (D)
1942
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
			John J. McIntyre (D)[f]
1945						21R, 6D	35R, 20D
1946
1947		Arthur G. Crane (R)	Everett T. Copenhaver (R)	Clifford Joy Rogers (R)	Edna B. Stolt (R)	19R, 8D	44R, 12D
1948											Truman/ Barkley (D) Y
1949	Arthur G. Crane (R)[c]					18R, 9D	28R, 28D[j]		Lester C. Hunt (D)
1950
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				Minnie A. Mitchell (R)[k]							Eisenhower/ Nixon (R) Y
1953	Clifford Joy Rogers (R)[c]					21R, 6D	45R, 11D	Frank A. Barrett (R)
1954									Edward D. Crippa (R)
									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											Eisenhower/ Nixon (R) Y
1957						16R, 11D	30R, 26D
1958
1959	Joe Hickey (D)[l]	Jack R. Gage (D)		Clifford Joy Rogers (R)[g]			30D, 26R	Gale W. McGee (D)
1960											Nixon/ Lodge (R) N
1961	Jack R. Gage (D)[c]					17R, 10D	35R, 21D		Joe Hickey (D)	William Henry Harrison III (R)
1962				Richard J. Luman (R)[m]					Milward Simpson (R)
1963	Clifford Hansen (R)	Thyra Thomson (R)		Everett T. Copenhaver (R)	Cecil M. Shaw (R)	16R, 11D	37R, 19D
1964											Johnson/ Humphrey (D) Y
1965						13R, 12D	34D, 27R			Teno Roncalio (D)
1966
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											Nixon/ Agnew (R) Y
1969							45R, 16D			John S. Wold (R)
1970
1971				James B. Griffith (R)	Robert G. Schrader (R)	19R, 11D	40R, 20D, 1I			Teno Roncalio (D)
1972											Nixon/ Agnew (R) Y
1973			Edwin J. Witzenburger (R)[f]			17R, 13D	44R, 17D, 1I
1974
1975	Edgar Herschler (D)		James B. Griffith (R)	Edwin J. Witzenburger (R)		15R, 15D[n]	32R, 29D, 1I
1976											Ford/ Dole N
1977						18R, 12D		Malcolm Wallop (R)
1978
1979				Shirley Wittler (R)	Lynn Simons (D)	19R, 11D	42R, 20D		Alan Simpson (R)	Dick Cheney (R)[e]
1980											Reagan/ Bush (R) Y
1981							39R, 23D
1982
1983				Stan Smith (R)			38R, 25D, 1I
1984											Reagan/ Bush (R) Y
1985							46R, 18D
1986
1987	Mike Sullivan (D)	Kathy Karpan (D)	Jack Sidi (R)				44R, 20D
1988											Bush/ Quayle (R) Y
1989							43R, 21D			Craig L. Thomas (R)
1990
1991			Dave Ferrari (R)		Diana Ohman (R)	20R, 10D	42R, 22D
1992											Bush/ Quayle (R) N
1993							41R, 19D
1994
1995	Jim Geringer (R)	Diana Ohman (R)			Judy Catchpole (R)		47R, 13D	Craig L. Thomas (R)[g]		Barbara Cubin (R)
1996											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
2003	Dave Freudenthal (D)				Trent Blankenship (R)		45R, 15D
2004											Bush/ Cheney (R) Y
2005						23R, 7D	46R, 14D
2006
2007		Max Maxfield (R)	Rita Meyer (R)	Joseph Meyer (R)[g]	Jim McBride (R)		43R, 17D
								John Barrasso (R)[k]
2008											McCain/ Palin (R) N
2009							41R, 19D			Cynthia Lummis (R)
2010
2011	Matt Mead (R)		Cynthia Cloud (R)		Cindy Hill (R)	26R, 4D	50R, 10D
2012											Romney/ Ryan (R) N
2013				Mark Gordon (R)			52R, 8D
2014
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											Trump/ Pence (R) N
2021						28R, 2D	51R, 7D, 1L, 1I		Cynthia Lummis (R)
2022
2023		Chuck Gray (R)			Megan Degenfelder (R)		57R, 5D			Harriet Hageman (R)
2024											Trump/ Vance (R) Y
2025							56R, 6D

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

Alaskan Independence (AKIP) 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) Democratic–NPL (D-NPL) 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) 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) Union (U) Unconditional Union (UU)

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

1. Of Wyoming Territory.
2. Resigned to take an elected seat in the United States Senate.
3. As state secretary of state, acted as governor.
4. A coalition of Democrats and Populists elected a Populist, L.C. Tidball, as Speaker, and organized the chamber.
5. Resigned.
6. Appointed to fill vacancy.
7. Died in office.
8. Helped to organize the national Progressive Party in 1912.
9. Elected a Democrat, Carl Robinson, as Speaker.
10. Elected a Republican, Herman D. Mayland, as Speaker.
11. Initially appointed to fill vacancy; later elected in his or her own right.
12. Resigned to take an appointed seat in the United States Senate.
13. As deputy state treasurer, assumed the duties of treasurer.
14. 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]
15. Karen Wheeler (R) served as Acting Secretary of State from February 9–March 1, 2018 between Murray's resignation and Buchanan's appointment.