List of United States senators from Colorado
Colorado was admitted to the Union on August 1, 1876 and elects U.S. senators to Senate class 2 and class 3. Its current U.S. senators are Democrats Michael Bennet (serving since 2009) and John Hickenlooper (serving since 2021). Henry M. Teller was Colorado's longest-serving senator (1876–1882; 1885–1909). Colorado is one of fifteen states alongside Arizona, Florida, Georgia, Hawaii, Idaho, Indiana, Louisiana, Maine, Massachusetts, Minnesota, Missouri, Nevada, South Dakota and Utah to have a younger senior senator and an older junior senator.
List of senators
Class 2 Class 2 U.S. senators belong to the electoral cycle that has recently been contested in 2002, 2008, 2014, and 2020. The next election will be in 2026. | C | Class 3 Class 3 U.S. senators belong to the electoral cycle that has recently been contested in 2004, 2010, 2016, and 2022. The next election will be in 2028. | ||||||||||
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# | Senator | Party | Dates in office | Electoral history | T | T | Electoral history | Dates in office | Party | Senator | # | |
Vacant | Aug 1, 1876 – Nov 15, 1876 | Colorado did not elect its senators until three months after statehood. | 1 | 44th | 1 | Colorado did not elect its senators until three months after statehood. | Aug 1, 1876 – Nov 15, 1876 | Vacant | ||||
1 | Henry M. Teller | Republican | Nov 15, 1876 – Apr 17, 1882 | Elected in 1876. | Elected in 1876.Retired. | Nov 15, 1876 – Mar 3, 1879 | Republican | Jerome B. Chaffee | 1 | |||
Elected to next term in 1876 or 1877.Resigned to become U.S. Secretary of the Interior. | 2 | 45th | ||||||||||
46th | 2 | Elected in 1879.Lost re-nomination. | Mar 4, 1879 – Mar 3, 1885 | Republican | Nathaniel P. Hill | 2 | ||||||
47th | ||||||||||||
2 | George M. Chilcott | Republican | Apr 17, 1882 – Jan 27, 1883 | Appointed to continue Teller's term.Did not run to finish the term. | ||||||||
3 | Horace Tabor | Republican | Jan 27, 1883 – Mar 3, 1883 | Elected to finish Teller's term.Retired. | ||||||||
4 | Thomas M. Bowen | Republican | Mar 4, 1883 – Mar 3, 1889 | Election date unknown.Unknown if retired or lost re-election. | 3 | 48th | ||||||
49th | 3 | Elected in 1885. | Mar 4, 1885 – Mar 3, 1909 | Republican | Henry M. Teller | 3 | ||||||
50th | ||||||||||||
5 | Edward O. Wolcott | Republican | Mar 4, 1889 – Mar 3, 1901 | Elected in 1889. | 4 | 51st | ||||||
52nd | 4 | Re-elected in 1891. | ||||||||||
53rd | ||||||||||||
Re-elected in 1895.Lost re-election. | 5 | 54th | ||||||||||
55th | 5 | Re-elected in 1897.[1] | Silver Republican | |||||||||
56th | ||||||||||||
6 | Thomas M. Patterson | Democratic | Mar 4, 1901 – Mar 3, 1907 | Elected in 1901.Retired. | 6 | 57th | ||||||
58th | 6 | Re-elected in 1903.Retired. | Democratic | |||||||||
59th | ||||||||||||
7 | Simon Guggenheim | Republican | Mar 4, 1907 – Mar 3, 1913 | Elected in 1907.Retired. | 7 | 60th | ||||||
61st | 7 | Elected in 1909.Died. | Mar 4, 1909 – Jan 11, 1911 | Democratic | Charles J. Hughes Jr. | 4 | ||||||
Jan 11, 1911 – Jan 15, 1913 | Vacant | |||||||||||
62nd | ||||||||||||
Elected to finish Hughes's term. | Jan 15, 1913 – Mar 3, 1921 | Democratic | Charles S. Thomas | 5 | ||||||||
8 | John F. Shafroth | Democratic | Mar 4, 1913 – Mar 3, 1919 | Elected in 1913.Lost re-election. | 8 | 63rd | ||||||
64th | 8 | Re-elected in 1914.Lost re-election. | ||||||||||
65th | ||||||||||||
9 | Lawrence C. Phipps | Republican | Mar 4, 1919 – Mar 3, 1931 | Elected in 1918. | 9 | 66th | ||||||
67th | 9 | Elected in 1920.Died. | Mar 4, 1921 – Mar 24, 1923 | Republican | Samuel D. Nicholson | 6 | ||||||
68th | ||||||||||||
Mar 24, 1923 – May 17, 1923 | Vacant | |||||||||||
Appointed to continue Nicholson's term.Retired. | May 17, 1923 – Nov 30, 1924 | Democratic | Alva B. Adams | 7 | ||||||||
Elected to finish Nicholson's term.Lost renomination. | Dec 1, 1924 – Mar 3, 1927 | Republican | Rice W. Means | 8 | ||||||||
Re-elected in 1924.Retired. | 10 | 69th | ||||||||||
70th | 10 | Elected in 1926.Died. | Mar 4, 1927 – Aug 27, 1932 | Republican | Charles W. Waterman | 9 | ||||||
71st | ||||||||||||
10 | Edward P. Costigan | Democratic | Mar 4, 1931 – Jan 3, 1937 | Elected in 1930.Retired. | 11 | 72nd | ||||||
Aug 27, 1932 – Sep 26, 1932 | Vacant | |||||||||||
Appointed to continue Waterman's term.Lost election to finish Waterman's term. | Sep 26, 1932 – Dec 6, 1932 | Democratic | Walter Walker | 10 | ||||||||
Elected to finish Waterman's term.Lost election to next term. | Dec 7, 1932 – Mar 3, 1933 | Republican | Karl C. Schuyler | 11 | ||||||||
73rd | 11 | Elected in 1932. | Mar 4, 1933 – Dec 1, 1941 | Democratic | Alva B. Adams | 12 | ||||||
74th | ||||||||||||
11 | Edwin C. Johnson | Democratic | Jan 3, 1937 – Jan 3, 1955 | Elected in 1936. | 12 | 75th | ||||||
76th | 12 | Re-elected in 1938.Died. | ||||||||||
77th | ||||||||||||
Dec 1, 1941 – Dec 20, 1941 | Vacant | |||||||||||
Appointed to continue Adams's term.Elected in 1942 to finish Adams's term.[2] | Dec 20, 1941 – Jan 3, 1957 | Republican | Eugene Millikin | 13 | ||||||||
Re-elected in 1942. | 13 | 78th | ||||||||||
79th | 13 | Re-elected in 1944. | ||||||||||
80th | ||||||||||||
Re-elected in 1948.Retired. | 14 | 81st | ||||||||||
82nd | 14 | Re-elected in 1950.Retired. | ||||||||||
83rd | ||||||||||||
12 | Gordon Allott | Republican | Jan 3, 1955 – Jan 3, 1973 | Elected in 1954. | 15 | 84th | ||||||
85th | 15 | Elected in 1956.Lost re-election. | Jan 3, 1957 – Jan 3, 1963 | Democratic | John A. Carroll | 14 | ||||||
86th | ||||||||||||
Re-elected in 1960. | 16 | 87th | ||||||||||
88th | 16 | Elected in 1962. | Jan 3, 1963 – Jan 3, 1975 | Republican | Peter H. Dominick | 15 | ||||||
89th | ||||||||||||
Re-elected in 1966.Lost re-election. | 17 | 90th | ||||||||||
91st | 17 | Re-elected in 1968.Lost re-election. | ||||||||||
92nd | ||||||||||||
13 | Floyd Haskell | Democratic | Jan 3, 1973 – Jan 3, 1979 | Elected in 1972.Lost re-election. | 18 | 93rd | ||||||
94th | 18 | Elected in 1974. | Jan 3, 1975 – Jan 3, 1987 | Democratic | Gary Hart | 16 | ||||||
95th | ||||||||||||
14 | William L. Armstrong | Republican | Jan 3, 1979 – Jan 3, 1991 | Elected in 1978. | 19 | 96th | ||||||
97th | 19 | Re-elected in 1980.Retired. | ||||||||||
98th | ||||||||||||
Re-elected in 1984.Retired. | 20 | 99th | ||||||||||
100th | 20 | Elected in 1986.Retired. | Jan 3, 1987 – Jan 3, 1993 | Democratic | Tim Wirth | 17 | ||||||
101st | ||||||||||||
15 | Hank Brown | Republican | Jan 3, 1991 – Jan 3, 1997 | Elected in 1990.Retired. | 21 | 102nd | ||||||
103rd | 21 | Elected in 1992.Changed parties on March 3, 1995. | Jan 3, 1993 – Jan 3, 2005 | Democratic | Ben Nighthorse Campbell | 18 | ||||||
104th | ||||||||||||
Republican | ||||||||||||
16 | Wayne Allard | Republican | Jan 3, 1997 – Jan 3, 2009 | Elected in 1996. | 22 | 105th | ||||||
106th | 22 | Re-elected in 1998.Retired. | ||||||||||
107th | ||||||||||||
Re-elected in 2002.Retired. | 23 | 108th | ||||||||||
109th | 23 | Elected in 2004.Resigned to become U.S. Secretary of the Interior. | Jan 3, 2005 – Jan 20, 2009 | Democratic | Ken Salazar | 19 | ||||||
110th | ||||||||||||
17 | Mark Udall | Democratic | Jan 3, 2009 – Jan 3, 2015 | Elected in 2008.Lost re-election. | 24 | 111th | ||||||
Appointed to finish Salazar's term. | Jan 21, 2009 – present | Democratic | Michael Bennet | 20 | ||||||||
112th | 24 | Elected to a full term in 2010. | ||||||||||
113th | ||||||||||||
18 | Cory Gardner | Republican | Jan 3, 2015 – Jan 3, 2021 | Elected in 2014.Lost re-election. | 25 | 114th | ||||||
115th | 25 | Re-elected in 2016. | ||||||||||
116th | ||||||||||||
19 | John Hickenlooper | Democratic | Jan 3, 2021 – present | Elected in 2020. | 26 | 117th | ||||||
118th | 26 | Re-elected in 2022. | ||||||||||
119th | ||||||||||||
To be determined in the 2026 election. | 27 | 120th | ||||||||||
121st | 27 | To be determined in the 2028 election. | ||||||||||
# | Senator | Party | Years in office | Electoral history | T | C | T | Electoral history | Years in office | Party | Senator | # |
Class 2 | Class 3 |
See also
- United States congressional delegations from Colorado
- List of United States representatives from Colorado
- Elections in Colorado
Notes
- ^ "Teller in Colorado". The New York Times. January 21, 1897. p. 2.
- ^ Byrd, p. 86.
References
- Byrd, Robert C. (October 1, 1993). Wolff, Wendy (ed.). The Senate, 1789-1989: Historical Statistics, 1789-1992. United States Senate Historical Office (volume 4 Bicentennial ed.). Washington, D.C.: U.S. Government Printing Office. ISBN 9780160632563.
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