Political party strength in Arizona

As of January 2025, Arizona's registered voters include 1,603,409 Republicans (35.9%), 1,289,116 Democrats (28.9%), 31,859 Libertarians (0.7%), and 1,499,008 "Other" (33.6%). ^[1]

State politics

Most political offices are currently held by members of the Republican Party. Both U.S. Senators and 3 of out the 9 House of Representatives members are Democrats, (the other six are Republicans) Many were first elected in the 2018 elections. The following table indicates the political parties of elected officials in Arizona:

• Governor
• Secretary of State
• Attorney General
• State Treasurer
• Superintendent of Public Instruction
• State Mine Inspector

The table also indicates the historical party composition in the:

• State Senate
• State House of Representatives
• State Corporation Commission ^[2]
• State delegation to the U.S. Senate
• State delegation to the U.S. House of Representatives

For years in which a presidential election was held, the table indicates which party's nominees received the state's electoral votes.

Pre-statehood (1863–1911)

Year	Executive offices				Territorial Legislature		U.S. Congress
	Governor	Secretary of State	Attorney General	Supt. of Pub. Inst.	Senate	House	Delegate
1863	John A. Gurley (R) [a]	Richard C. McCormick (R)	[ ? ]	[ ? ]	[ ? ]	[ ? ]	Charles D. Poston (R)
	John N. Goodwin (R) [b] [c]
1864			Coles Bashford (R) [d]
1865							John N. Goodwin (R)
1866			John A. Rush
	Richard C. McCormick (R) [c]	James P. T. Carter (R)
1867							Coles Bashford (I)
1868			[ ? ]
	James P. T. Carter (R) [e]
1869		Coles Bashford (R) [f]	G. H. Oury (D)				Richard C. McCormick (U)
	Anson P. K. Safford (R)
1870			[ ? ]
1871
1872			J. E. McCaffry
1873			[ ? ]
1874
1875							Hiram Sanford Stevens (D)
1876		John Philo Hoyt (R)
1877
	John Philo Hoyt (R)	John J. Gosper (R)
1878
	John C. Frémont (R) [g] [f]
1879							John G. Campbell (D)
1880
1881							G. H. Oury (D)
	John J. Gosper (R) [e]
1882
	Frederick Augustus Tritle (R) [f]	Hiram M. Van Arman (R)
1883
1884			Clark Churchill (R)
1885							Curtis Coe Bean (R)
	C. Meyer Zulick (D)	James A. Bayard (D)
1886
1887			Briggs Goodrich				Marcus A. Smith (D)
1888			John A. Rush
1889			Clark Churchill (R)
	Lewis Wolfley (R) [f]	Oakes Murphy (R)
1890
	John N. Irwin (R) [f]
1891
1892			William Herring (R)
	Oakes Murphy (R)	Nathan A. Morford (R)
1893			John C. Herndon
	L. C. Hughes (D) [h]	Charles Morelle Bruce (D)	Francis J. Heney (R)
1894
1895			Thomas D. Satterwhite				Oakes Murphy (R)
1896			J. F. Wilson
	Charles Morelle Bruce (D) [e]
	Benjamin J. Franklin (D)
1897				A. P. Shewman			Marcus A. Smith (D)
	Myron H. McCord (R) [f]	Charles H. Akers (R)
1898			C. M. Frazier
	Oakes Murphy (R) [i]		Charles F. Ainsworth
1899							John Frank Wilson (D)
1900
1901							Marcus A. Smith (D)
1902		Isaac T. Stoddard (R)	Edmund W. Wells (R)	[ ? ]
	Alexander Brodie (R) [f]
1903							John Frank Wilson (D)
1904		William F. Nichols (R)	Joseph Henry Kibbey (R)
1905			E. S. Clark				Marcus A. Smith (D)
	William F. Nichols (R) [e]
	Joseph Henry Kibbey (R)
1906
1907
1908		John H. Page (R)
1909					Ralph H. Cameron (R)
	Richard Elihu Sloan (R)	George U. Young (R)
1910			John B. Wright
1911

1912–present

Year	Executive offices						State Legislature		Corp. Comm.	United States Congress			Electoral votes
	Governor	Secretary of State	Attorney General	Treasurer	Supt. of Pub. Inst.	Mine Inspector	Senate	House		U.S. Senator (Class I)	U.S. Senator (Class III)	U.S. House
1912	George W. P. Hunt (D)	Sidney Preston Osborn (D)	George Purdy Ballard (D)	David F. Johnson (D)	Charles O. Case (D)	G. H. Bolin (D)	15D, 4R	31D, 4R	3D	Henry F. Ashurst (D)	Marcus A. Smith (D)	Carl Hayden (D)	Wilson/ Marshall (D)Y
1913
1914
1915			Wiley E. Jones (D)	Mit Simms (D)			18D, 1R	35D
1916
1917	Thomas E. Campbell (R) [j]			David F. Johnson (D)			14D, 5R	31D, 4R
	George W. P. Hunt (D)
1918
1919	Thomas E. Campbell (R)	Mit Simms (D)		Harry S. Ross (D)				26D, 9R
1920													Harding/ Coolidge (R)Y
1921		Ernest Hall (R)	W. J. Galbraith (R)	Raymond R. Earhart (D)	Elsie Toles (R)	John F. White (R)	10R, 9D	20D, 18R			Ralph H. Cameron (R)
1922
1923	George W. P. Hunt (D)	James H. Kerby (D)	John W. Murphy (D)	Wayne Hubbs (D)	Charles O. Case (D)	Tom C. Foster (D)	18D, 1R	41D, 6R
1924													Coolidge/ Dawes (R)Y
1925				Vernon S. Wright (D)			17D, 2R
1926
1927				J. C. Callaghan (D)				43D, 9R			Carl Hayden (D)	Lewis Douglas (D) [f]
1928			K. Berry Peterson (D)										Hoover/ Curtis (R)Y
1929	John Calhoun Phillips (R)	J. C. Callaghan (D) [k]		Charles R. Price (D)				37D, 17R
1930		Ike Fraizer (R) [l]
1931	George W. P. Hunt (D)	Scott White (D)		Mit Simms (D)			18D, 1R	52D, 12R
1932													Roosevelt/ Garner (D)Y
1933	Benjamin Baker Moeur (D)	James H. Kerby (D)	Arthur T. La Prade (D)	W. M. Cox (D)	Herman E. Hendrix (D)		19D	59D, 4R				Isabella Greenway (D) [m]
1934
1935			John L. Sullivan (D)	Mit Simms (D)			18D, 1R	51D
1936
1937	Rawghlie Clement Stanford (D)		Joe Conway (D)	Harry M. Moore (D)			19D	50D, 1R				John R. Murdock (D)
1938
1939	Robert Taylor Jones (D)	Harry M. Moore (D) [k]		William G. Petersen (D)				51D, 1R
1940													Roosevelt/ Wallace (D)Y
1941	Sidney Preston Osborn (D) [k]			Joe Hunt (D)	E. D. Ring (D)			53D		Ernest McFarland (D)
1942
		Dan Edward Garvey (D) [n]
1943				James D. Brush (D)				58D				2D
1944			John L. Sullivan (D)	Alva E. Weaver (D) [l]									Roosevelt/ Truman (D)Y
1945				William T. Brooks (D)		Clifford J. Murdock (D)		57D, 1R
1946
1947				Mit Simms (D)	Nolan D. Pulliam (D)			53D, 5R
1948			Evo Anton DeConcini (D)
	Dan Edward Garvey (D) [o]	Curtis Williams (D)											Truman/ Barkley (D)Y
1949		Wesley Bolin (D)	Fred O. Wilson (D)	J. W. Kelly (D)	Marion Brooks (D)			52D, 7R
1950
1951	John Howard Pyle (R)			E. T. Williams Jr. (D)				61D, 10R
1952													Eisenhower/ Nixon (R)Y
1953			Ross F. Jones (R)	J. W. Kelly (D)		Edward Massey (D)	15D, 4R	50D, 30R		Barry Goldwater (R)		1D, 1R
1954									2D, 1R
1955	Ernest McFarland (D)		Robert Morrison (D)	E. T. Williams Jr. (D)	Cliff Harkins (D)		26D, 2R	61D, 19R	3D
1956
1957				J. W. Kelly (D)	Marion Brooks (D)			57D, 23R
1958
1959	Paul Fannin (R)			H. Y. Sprague (D)	Wilburn W. Dick (D)	R. V. Hersey (D)	27D, 1R	55D, 25R
1960			Wade Church (D)	John Quebedeaux (R) [l]									Nixon/ Lodge (R)N
1961			Robert Pickrell (R)	J. W. Kelly (D)			24D, 4R	52D, 28R
1962
1963				Milton J. Husky (D)				48D, 32R	2D, 1R			2D, 1R
1964													Goldwater/ Miller (R)N
1965	Sam Goddard Jr. (D)		Darrell F. Smith (R)	Bob Kennedy (D)	Sarah Folsom (R)	Verne C. McCutchan (R)	26D, 2R	45D, 35R	3D	Paul Fannin (R)
1966
1967	Jack Williams (R) [p]			Charles H. Garland (R)			16R, 14D	33R, 27D				2R, 1D
1968													Nixon/ Agnew (R)Y
1969			Gary K. Nelson (R)	Morris A. Herring (R)	Weldon P. Shofstall (R) [n]		17R, 13D	34R, 26D	2D, 1R		Barry Goldwater (R)
1970									2R, 1D
1971				Ernest Garfield (R)			18R, 12D		3R
1972
1973				Bart Fleming (R) [n]				38R, 22D				3R, 1D
1974			N. Warner Lee (R)
1975	Raúl Héctor Castro (D) [f]		Bruce Babbitt (D)		Carolyn Warner (D)	Bert C. Romero (D)	18D, 12R	33R, 27D
1976													Ford/ Dole (R)N
1977						Verne C. McCutchan (R) [k]	16D, 14R	38R, 22D	2R, 1D	Dennis DeConcini (D)		2R, 2D
	Wesley Bolin (D) [k] [q]	Rose Mofford (D) [n]
1978
	Bruce Babbitt (D) [r]		Jack LaSota (D) [l]			Ted M. Martinez (D) [l]
1979			Robert K. Corbin (R)	Clark Dierks (R)		James H. McCutchan (R)	16R, 14D	42R, 18D
1980													Reagan/ Bush (R)Y
1981								43R, 17D
1982
1983				Ray Rottas (R)			18R, 12D	39R, 21D				3R, 2D
1984
1985								38R, 22D	3D			4R, 1D
1986
1987	Evan Mecham (R) [s]				C. Diane Bishop (D)		19R, 11D	36R, 24D	2D, 1R		John McCain (R) [k]
1988													Bush/ Quayle (R)Y
	Rose Mofford (D) [q]	James Shumway (D) [l]
1989						Douglas K. Martin (R)	17R, 13D	34R, 26D
1990
1991	Fife Symington (R)	Richard Mahoney (D)	Grant Woods (R)	Tony West (R)			17D, 13R	33R, 27D
1992													Bush/ Quayle (R)N
1993							18R, 12D	35R, 25D				3R, 3D
1994
1995		Jane Dee Hull (R)			Lisa Graham Keegan (R) [f]		19R, 11D	38R, 22D		Jon Kyl (R)		5R, 1D
1996													Clinton/ Gore (D)Y
1997							18R, 12D		2R, 1D
	Jane Dee Hull (R) [o]	Betsey Bayless (R)
1998
1999			Janet Napolitano (D)	Carol Springer (R)			16R, 14D	40R, 20D	3R
2000													Bush/ Cheney (R)Y
2001					Jaime Molera (R) [l]		15R, 15D [t]	36R, 24D	5R [u]
2002
2003	Janet Napolitano (D) [f] [6]	Jan Brewer (R)	Terry Goddard (D)	David Petersen (R)	Tom Horne (R)		17R, 13D	39R, 21D				6R, 2D
2004
2005							18R, 12D	38R, 22D
2006				Elliott Hibbs (R) [l]				39R, 21D
2007				Dean Martin (R)		Joe Hart (R)	17R, 13D	33R, 27D				4R, 4D
2008													McCain/ Palin (R)N
2009	Jan Brewer (R) [o]	Ken Bennett (R) [n]					18R, 12D	36R, 24D	3R, 2D			5D, 3R
2010
2011			Tom Horne (R)	Doug Ducey (R)	John Huppenthal (R)		21R, 9D	40R, 20D				5R, 3D
2012													Romney/ Ryan (R)N
2013							17R, 13D	36R, 24D	5R	Jeff Flake (R)		5D, 4R
2014
2015	Doug Ducey (R)	Michele Reagan (R)	Mark Brnovich (R)	Jeff DeWit (R) [f] [7]	Diane Douglas (R)							5R, 4D
2016							18R, 12D						Trump/ Pence (R)Y
2017							17R, 13D	35R, 25D
2018
				Eileen Klein (R) [l]							Jon Kyl (R) [l]
2019		Katie Hobbs (D)		Kimberly Yee (R)	Kathy Hoffman (D)			31R, 29D	4R, 1D	Kyrsten Sinema (D)	Martha McSally (R) [l]	5D, 4R
2020													Biden/ Harris (D)Y
2021							16R, 14D		3R, 2D		Mark Kelly (D)
2022						Paul Marsh (R) [l]
2023	Katie Hobbs (D)	Adrian Fontes (D)	Kris Mayes (D)		Tom Horne (R)				4R, 1D	Kyrsten Sinema (I) [v]		6R, 3D
2024													Trump/ Vance (R)Y
2025							17R, 13D	33R, 27D	5R	Ruben Gallego (D)

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. Appointed territorial governor by President Abraham Lincoln to be the first governor of the territory, but died on August 19, 1863, before he could arrive in the territory.
2. Gurley died prior to taking office as first appointed governor; Goodwin, who was Chief Justice of the Arizona Territorial Supreme Court, was appointed by Lincoln in his place.
3. Resigned to take an elected seat as delegate to the U.S. House of Representatives.
4. Attorney general of Arizona Territory appointed by Goodwin.
5. Acting.
6. Resigned.
7. It is unknown when Frémont took the oath of office; he and his family arrived in Prescott on the afternoon of October 6, 1878.
8. Hughes abolished many territorial offices, and unhappy officials successfully petitioned Cleveland to remove him.
9. Asked by President Theodore Roosevelt to resign for opposing the Newlands Reclamation Act.
10. Campbell's narrow election win was overturned by the Arizona Supreme Court on December 22, 1917, which, following a recount, awarded the office to George W. P. Hunt. Campbell vacated the office three days later.
11. Died in office.
12. Appointed to fill a vacancy.
13. Elected to fill the vacancy caused by the previous representative being elected to the next term, but resigning before the term began.
14. Initially appointed to fill a vacancy, subsequently elected in his or her own right.
15. As state secretary of state, filled unexpired term and was later elected in his or her own right.
16. The state constitution was amended in 1968 to increase gubernatorial terms from two to four years; Williams's first two terms were for two years, his third was for four years.
17. As state secretary of state, filled unexpired term.
18. As state attorney general, filled unexpired term, and was later elected in his own right; the secretary of state at the time had been appointed, not elected, and was therefore, per the state Constitution, not in the line of succession.
19. Impeached and removed from office on charges of obstruction of justice and misuse of government funds.
20. A power-sharing agreement was reached between the Democrats and three moderate Republicans, who elected Randall Gnant President Pro Tempore, and they organized the chamber with committees alternately being chaired by one party or the other. The twelve conservative Republicans organized as the minority faction in the chamber. ^{[3] [4]}
21. The state constitution was amended in 2000 to expand the Corporation Commission from three to five members and shorten term lengths from six to four years with the possibility to run for a second four-year term. ^[5]
22. Switched party from Democratic to Independent on December 9, 2022. She preserved her committee assignments and seniority through the Democratic Party.

See also

• Law and government in Arizona
• List of Arizona state legislatures

Further reading

• Berman, David R. (2024). Arizona Politics and Government: The Quest for Autonomy, Democracy, and Development (2 ed.). University of Nebraska Press.

Notes

1. "January 2025 - Voter Registration Statistics | Arizona Secretary of State". azsos.gov. Retrieved 2025-02-15.
2. Entries from 1912–1976 can be downloaded from the Arizona Memory Project here:
3. http://www.limitedgovernment.org/publications/pubs/briefs/pdfs/brf11-36.pdf ^{[ bare URL PDF ]}
4. "Randall Gnat: Mushroom Power". Governing. 2010-10-16. Retrieved 2021-06-19.
5. "Arizona Corporation Commission | Arizona State Library". azlibrary.gov. Retrieved 2021-06-19.
6. White, Brian (January 21, 2009). "Napolitano officially resigns as AZ governor". KOLD-TV . Retrieved November 11, 2022.
7. Associated Press (March 27, 2018). "DeWit to resign April 3 for NASA job". Arizona Capitol Times . Retrieved November 11, 2022.