View a list of Colorado U.S. senators since 1876
Senator Henry M. Teller
Party: Republican
Term: 1876 - 1882
Congress: 44th-47th
Senator Jerome B. Chaffee
Party: Republican
Term: 1876 - 1879
Congress: 44th-45th
Senator Nathaniel P. Hill
Party: Republican
Term: 1879 - 1885
Congress: 46th-48th
Senator George M. Chilcott
Party: Republican
Term: 1882 - 1883
Congress: 47th
Senator Horace A. W. Tabor
Party: Republican
Term: 1883 - 1883
Congress: 47th
Senator Thomas M. Bowen
Party: Republican
Term: 1883 - 1889
Congress: 48th-50th
Senator Henry M. Teller
Party: Republican, Silver Republican, Democratic
Term: 1885 - 1909
Congress: 49th-60th
Senator Edward O. Wolcott
Party: Republican
Term: 1889 - 1901
Congress: 51st-56th
Senator Thomas M. Patterson
Party: Democratic
Term: 1901 - 1907
Congress: 57th-59th
Senator Simon Guggenheim
Party: Republican
Term: 1907 - 1913
Congress: 60th-62nd
Senator Charles J. Hughes Jr.
Party: Democratic
Term: 1909 - 1911
Congress: 61st
Senator John F. Shafroth
Party: Democratic
Term: 1913 - 1919
Congress: 63rd-65th
Senator Charles S. Thomas
Party: Democratic
Term: 1913 - 1921
Congress: 62nd-66th
Senator Lawrence C. Phipps
Party: Republican
Term: 1919 - 1931
Congress: 66th-71st
Senator Samuel D. Nicholson
Party: Republican
Term: 1921 - 1923
Congress: 67th
Senator Alva B. Adams
Party: Democratic
Term: 1923 - 1924
Congress: 67th-68th
Senator Rice W. Means
Party: Republican
Term: 1924 - 1927
Congress: 68th-69th
Senator Charles W. Waterman
Party: Republican
Term: 1927 - 1932
Congress: 70th-72nd
Senator Edward P. Costigan
Party: Democratic
Term: 1931 - 1937
Congress: 72nd-74th
Senator Walter Walker
Party: Democratic
Term: 1932 - 1932
Congress: 72nd
Senator Karl C. Schuyler
Party: Republican ‘
Term: 1932 - 1933
Congress: 72nd
Senator Alva B. Adams
Party: Democratic
Term: 1933 - 1941
Congress: 73rd-77th
Senator Edwin C. Johnson
Party: Democratic
Term: 1937 - 1955
Congress: 75th-83rd
Senator Eugene D. Millikin
Party: Republican
Term: 1941 - 1957
Congress: 77th-84th
Senator Gordon L. Allott
Party: Republican
Term: 1955 - 1973
Congress: 84th-92nd
Senator John A. Carroll
Party: Democratic
Term: 1957 - 1963
Congress: 85th-87th
Senator Peter H. Dominick
Party: Republican
Term: 1963 - 1975
Congress: 88th-93rd
Senator Floyd K. Haskell
Party: Democratic
Term: 1973 - 1979
Congress: 93rd-95th
Senator Gary W. Hart
Party: Democratic
Term: 1975 - 1987
Congress: 94th-99th
Senator William L. Armstrong
Party: Republican
Term: 1979 - 1991
Congress: 96th-101st
Senator Timothy E. Wirth
Party: Democratic
Term: 1987 - 1993
Congress: 100th-102nd
Senator George Hanks (Hank) Brown
Party: Republican
Term: 1991 - 1997
Congress: 102nd-104th
Senator Ben Nighthorse Campbell
Party: Democratic, Republican
Term: 1993 - 2005
Congress: 103rd-108th
Senator A. Wayne Allard
Party: Republican
Term: 1997 - 2009
Congress: 105th-110th
Senator Kenneth L. Salazar
Party: Democratic
Term: 2005 - 2009
Congress: 109th-111th
Senator Mark Udall
Party: Democratic
Term: 2009 - 2015
Congress: 111th-113th
Senator Cory Gardner
Party: Republican
Term: 2015 - 2021
Congress: 114th-116th
Senator Michael Bennet
Party: Democratic
Term: 2009 - Present
Congress: 111th
Senator John Hickenlooper
Party: Democratic
Term: 2021 - Present
Congress: 117th
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