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The following table indicates the party of elected officials in the U.S. state of Iowa:
The table also indicates the historical party composition in the:
For years in which a presidential election was held, the table indicates which party's nominees received the state's electoral votes.
Year | Executive offices | General Assembly | United States Congress | Electoral votes | |||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Governor | Lt. Governor | Sec. of State | Attorney Gen. | Auditor | Treasurer | Sec. of Ag. | State Senate | State House | U.S. Senator (Class II) | U.S. Senator (Class III) | U.S. House | ||
1921 | Nathan E. Kendall (R) | John Hammill (R) | Walter C. Ramsay (R) | Ben Gibson (R) | Glenn C. Haynes (R) | William J. Burbank (R) | no such office | 48R, 2D | 101R, 6D, 1I | William S. Kenyon (R) | Albert B. Cummins (R) | 11R | |
1922 | Smith W. Brookhart (R) | ||||||||||||
1923 | Raymond W. Cassidy (R) | 46R, 4D | 91R, 16D, 1I | ||||||||||
1924 | James E. Thomas (R) | R. G. Clark (R) | Calvin Coolidge/ Charles G. Dawes (R) ![]() | ||||||||||
1925 | John Hammill (R) | Clem F. Kimball (R) | J. C. McClune (R) | Raymond E. Johnson (R) | Mark G. Thornburg (R) | 45R, 4D, 1I | 101R, 7D | ||||||
1926 | Daniel F. Steck (D) | ||||||||||||
1927 | John Fletcher (R) | J. W. Long (R) | 48R, 1D, 1ID | 95R, 13D | Smith W. Brookhart (R) | ||||||||
1928 | Arch W. McFarlane (R) | Edward McMurray Smith (R) | Herbert Hoover/ Charles Curtis (R) ![]() | ||||||||||
1929 | 48R, 2D | 96R, 12D | |||||||||||
1930 | |||||||||||||
1931 | Dan W. Turner (R) | G. C. Greenwalt (R) | 44R, 6D | 71R, 37D | L. J. Dickinson (R) | 10R, 1D | |||||||
1932 | C. Fred Porter (R) | Franklin D. Roosevelt/ John Nance Garner (D) ![]() | |||||||||||
1933 | Clyde L. Herring (D) | Nelson G. Kraschel (D) | Ola Babcock Miller (D) | Edward L. O'Connor (D) | Charles W. Storms (D) | Leo J. Wegman (D) | Ray Murray (D) | 25D, 25R [h] | 76D, 32R | Louis Murphy (D) | 6D, 3R | ||
1934 | 26R, 24D [i] | ||||||||||||
1935 | 28D, 22R | 58D, 50R | |||||||||||
1936 | 26D, 24R [j] | ||||||||||||
1937 | Nelson G. Kraschel (D) | John K. Valentine (D) | Robert E. O'Brien (D) | John H. Mitchell (D) | Thomas L. Curran (D) | 28R, 22D | 54D, 54R [k] | Clyde L. Herring (D) | Guy Gillette (D) | 5D, 4R | |||
1938 | 29R, 21D [l] | ||||||||||||
1939 | George A. Wilson (R) | Bourke B. Hickenlooper (R) | Earl G. Miller (R) | Fred D. Everett (R) | C. B. (Chet) Akers (R) | Willis Bagley (R) | Mark G. Thornburg (R) | 38R, 12D | 89R, 19D | 7R, 2D | |||
1940 | Wendell Willkie/ Charles L. McNary (R) ![]() | ||||||||||||
1941 | John M. Rankin (R) | 45R, 5D | 87R, 21D | ||||||||||
1942 | 8R, 1D | ||||||||||||
1943 | Bourke B. Hickenlooper (R) | Robert D. Blue (R) | Wayne M. Ropes (R) | John M. Grimes (R) | Harry D. Linn (R) | 98R, 10D | George A. Wilson (R) | 8R | |||||
1944 | Thomas E. Dewey/ John W. Bricker (R) ![]() | ||||||||||||
1945 | Robert D. Blue (R) | Kenneth A. Evans (R) | 91R, 17D | Bourke B. Hickenlooper (R) | |||||||||
1946 | |||||||||||||
1947 | Rolo H. Bergeson (R) | Robert L. Larson (R) | 44R, 6D | 98R, 10D | |||||||||
1948 | Harry S. Truman/ Alben W. Barkley (D) ![]() | ||||||||||||
1949 | William S. Beardsley (R) [m] | Melvin D. Synhorst (R) | 43R, 7D | 79R, 29D | Guy Gillette (D) | ||||||||
1950 | Clyde Spry (R) | ||||||||||||
1951 | William H. Nicholas (R) | M. L. Abrahamson (R) | 41R, 9D | 93R, 15D | |||||||||
1952 | Dwight D. Eisenhower/ Richard Nixon (R) ![]() | ||||||||||||
1953 | Leo Elthon (R) [d] | Leo Hoegh (R) | 46R, 4D | 105R, 3D | |||||||||
1954 | |||||||||||||
1955 | Leo Hoegh (R) | Dayton Countryman (R) | 44R, 6D | 90R, 18D | Thomas E. Martin (R) | ||||||||
1956 | |||||||||||||
1957 | Herschel C. Loveless (D) | William H. Nicholas (R) | Norman A. Erbe (R) | 40R, 10D | 71R, 37D | 7R, 1D | |||||||
1958 | |||||||||||||
1959 | Edward J. McManus (D) | 33R, 17D | 58R, 50D | 4D, 4R | |||||||||
1960 | 5R, 3D | Richard Nixon/ Henry Cabot Lodge Jr. (R) ![]() | |||||||||||
1961 | Norman A. Erbe (R) | W. L. Mooty (R) | Evan Hultman (R) | L. B. Liddy (R) | 35R, 15D | 78R, 30D | Jack Miller (R) | 6R, 2D | |||||
1962 | |||||||||||||
1963 | Harold Hughes (D) [c] | 38R, 12D | 6R, 1D | ||||||||||
1964 | Lyndon B. Johnson/ Hubert Humphrey (D) ![]() | ||||||||||||
1965 | Robert D. Fulton (D) | Gary L. Cameron (D) | Lawrence F. Scalise (D) | Lorne R. Worthington (D) | Paul Franzenburg (D) | Kenneth E. Owen (D) | 34D, 25R | 101D, 23R | 6D, 1R | ||||
1966 | |||||||||||||
1967 | Melvin D. Synhorst (R) [n] | Richard C. Turner (R) | Lloyd R. Smith (R) | L. B. Liddy (R) | 32D, 29R | 89R, 35D | 5R, 2D | ||||||
1968 | Richard Nixon/ Spiro Agnew (R) ![]() | ||||||||||||
1969 | Robert D. Ray (R) | Roger Jepsen (R) | Maurice E. Baringer (R) | 44R, 17D | 86R, 38D | Harold Hughes (D) | |||||||
1970 | |||||||||||||
1971 | 38R, 12D | 63R, 37D | |||||||||||
1972 | |||||||||||||
1973 | Arthur Neu (R) | Robert H. Lounsberry (R) | 28R, 22D | 57R, 43D | Dick Clark (D) | 3D, 3R | |||||||
1974 | |||||||||||||
1975 | 26D, 24R | 61D, 39R | John Culver (D) | 5D, 1R | |||||||||
1976 | Gerald Ford/ Bob Dole (R) ![]() | ||||||||||||
1977 | 59D, 41R | 4D, 2R | |||||||||||
1978 | |||||||||||||
1979 | Terry Branstad (R) | Tom Miller (D) | Richard D. Johnson (R) | 28R, 22D | 57R, 43D | Roger Jepsen (R) | 3D, 3R | ||||||
1980 | Ronald Reagan/ George H. W. Bush (R) ![]() | ||||||||||||
1981 | Mary Jane Odell (R) | 29R, 21D | 58R, 42D | Chuck Grassley (R) | |||||||||
1982 | |||||||||||||
1983 | Terry Branstad (R) | Robert T. Anderson (D) | Michael Fitzgerald (D) | 28D, 22R | 60D, 40R | ||||||||
1984 | |||||||||||||
1985 | 29D, 21R | Tom Harkin (D) | 4R, 2D | ||||||||||
1986 | |||||||||||||
1987 | Jo Ann Zimmerman (D) | Elaine Baxter (D) | Dale M. Cochran (D) | 30D, 20R | 58D, 42R | ||||||||
1988 | Michael Dukakis/ Lloyd Bentsen (D) ![]() | ||||||||||||
1989 | 61D, 39R | ||||||||||||
1990 | |||||||||||||
1991 | Joy Corning (R) | Bonnie Campbell (D) | 28D, 22R | 53D, 47R | |||||||||
1992 | Bill Clinton/ Al Gore (D) ![]() | ||||||||||||
1993 | 26D, 24R | 51R, 49D | 4R, 1D | ||||||||||
1994 | |||||||||||||
1995 | Paul Pate (R) | Tom Miller (D) | 27D, 23R | 64R, 36D | 5R | ||||||||
1996 | |||||||||||||
1997 | 29R, 21D | 54R, 46D | 4R, 1D | ||||||||||
1998 | |||||||||||||
1999 | Tom Vilsack (D) | Sally Pederson (D) | Chet Culver (D) | Patty Judge (D) | 30R, 20D | 56R, 44D | |||||||
2000 | Al Gore/ Joe Lieberman (D) ![]() | ||||||||||||
2001 | |||||||||||||
2002 | |||||||||||||
2003 | David A. Vaudt (R) | 29R, 21D | 54R, 46D | ||||||||||
2004 | George W. Bush/ Dick Cheney (R) ![]() | ||||||||||||
2005 | 25D, 25R | 51R, 49D | |||||||||||
2006 | |||||||||||||
2007 | Chet Culver (D) | Patty Judge (D) | Michael Mauro (D) | Bill Northey (R) [o] | 30D, 20R | 54D, 46R | 3D, 2R | ||||||
2008 | Barack Obama/ Joe Biden (D) ![]() | ||||||||||||
2009 | 32D, 18R | 57D, 43R | |||||||||||
2010 | |||||||||||||
2011 | Terry Branstad (R) [p] | Kim Reynolds (R) | Matt Schultz (R) | 26D, 24R | 60R, 40D | ||||||||
2012 | |||||||||||||
2013 | 53R, 46D, 1 vac. | 2D, 2R | |||||||||||
Mary Mosiman (R) | |||||||||||||
2014 | 53R, 47D | ||||||||||||
2015 | Paul Pate (R) | 57R, 43D | Joni Ernst (R) | 3R, 1D | |||||||||
2016 | Donald Trump/ Mike Pence (R) ![]() | ||||||||||||
2017 | 29R, 20D, 1I | 59R, 41D | |||||||||||
Kim Reynolds (R) [d] | Adam Gregg (R) | ||||||||||||
2018 | Mike Naig (R) | ||||||||||||
2019 | Rob Sand (D) | 32R, 18D | 53R, 47D | 3D, 1R | |||||||||
2020 | Donald Trump/ Mike Pence (R) ![]() | ||||||||||||
2021 | 59R, 41D | 3R, 1D | |||||||||||
2022 | 60R, 40D [q] | ||||||||||||
2023 | Brenna Bird (R) | Roby Smith (R) | 34R, 16D [r] | 64R, 36D | 4R | ||||||||
2024 | Donald Trump/ JD Vance (R) ![]() | ||||||||||||
2025 | 67R, 33D |