List of United States senators from Colorado
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Colorado Colorado (, other variants) is a state in the Mountain West subregion of the Western United States. It encompasses most of the Southern Rocky Mountains, as well as the northeastern portion of the Colorado Plateau and the western edge of t ...
was admitted to the
Union Union commonly refers to: * Trade union, an organization of workers * Union (set theory), in mathematics, a fundamental operation on sets Union may also refer to: Arts and entertainment Music * Union (band), an American rock group ** ''Un ...
on August 1, 1876 and elects
U.S. senators The United States Senate is the upper chamber of the United States Congress, with the House of Representatives being the lower chamber. Together they compose the national bicameral legislature of the United States. The composition and powe ...
to Senate Class 2 and Class 3. Its current U.S. senators are Democrats
Michael Bennet Michael Farrand Bennet (born November 28, 1964) is an American attorney, businessman, and politician serving as the senior United States senator from Colorado, a seat he has held since 2009. A member of the Democratic Party, he was appointed t ...
(serving since 2009) and
John Hickenlooper John Wright Hickenlooper Jr. (; born February 7, 1952) is an American politician serving as the junior United States senator from Colorado since 2021. A member of the Democratic Party, he served as the 42nd governor of Colorado from 2011 to 20 ...
(serving since 2021). Henry M. Teller was Colorado's longest-serving senator (1876–1882; 1885–1909).


List of senators

, - style="height:2em" , colspan=3 , Vacant , Aug 1, 1876 –
Nov 15, 1876 , Colorado did not elect its senators until three months after statehood. , rowspan=2 , 1 , , rowspan=3 , 1 , Colorado did not elect its senators until three months after statehood. , Aug 1, 1876 –
Nov 15, 1876 , colspan=3 , Vacant , - style="height:2em" ! rowspan=4 , 1 , rowspan=4 align=left ,
Henry M. Teller , rowspan=4 ,
Republican Republican can refer to: Political ideology * An advocate of a republic, a type of government that is not a monarchy or dictatorship, and is usually associated with the rule of law. ** Republicanism, the ideology in support of republics or agains ...
, rowspan=4 nowrap , Nov 15, 1876 –
Apr 17, 1882 , Elected in 1876. , rowspan=2 , Elected in 1876.Retired. , rowspan=2 nowrap , Nov 15, 1876 –
Mar 3, 1879 , rowspan=2 ,
Republican Republican can refer to: Political ideology * An advocate of a republic, a type of government that is not a monarchy or dictatorship, and is usually associated with the rule of law. ** Republicanism, the ideology in support of republics or agains ...
, rowspan=2 align=right ,
Jerome B. Chaffee ! rowspan=2 , 1 , - style="height:2em" , rowspan=3 , Elected to next term in 1876 or 1877.Resigned to become
U.S. Secretary of the Interior The United States secretary of the interior is the head of the United States Department of the Interior. The secretary and the Department of the Interior are responsible for the management and conservation of most federal land along with natural ...
. , rowspan=5 , 2 , , - style="height:2em" , , rowspan=5 , 2 , rowspan=5 , Elected in 1879.Lost re-nomination. , rowspan=5 nowrap , Mar 4, 1879 –
Mar 3, 1885 , rowspan=5 ,
Republican Republican can refer to: Political ideology * An advocate of a republic, a type of government that is not a monarchy or dictatorship, and is usually associated with the rule of law. ** Republicanism, the ideology in support of republics or agains ...
, rowspan=5 align=right ,
Nathaniel P. Hill Nathaniel Peter Hill (February 18, 1832 – May 22, 1900) was a professor at Brown University, a mining executive and engineer, and a politician, including serving in the United States Senate. Originally from the state of New York, he came t ...
! rowspan=5 , 2 , - style="height:2em" , rowspan=3 , - style="height:2em" ! 2 , align=left ,
George M. Chilcott , ,
Republican Republican can refer to: Political ideology * An advocate of a republic, a type of government that is not a monarchy or dictatorship, and is usually associated with the rule of law. ** Republicanism, the ideology in support of republics or agains ...
, nowrap , Apr 17, 1882 –
Jan 27, 1883 , Appointed to continue Teller's term.Did not run to finish the term. , - style="height:2em" ! 3 , align=left ,
Horace Tabor Quintus Horatius Flaccus (; 8 December 65 – 27 November 8 BC), known in the English-speaking world as Horace (), was the leading Roman lyric poet during the time of Augustus (also known as Octavian). The rhetorician Quintilian regarded his ' ...
, ,
Republican Republican can refer to: Political ideology * An advocate of a republic, a type of government that is not a monarchy or dictatorship, and is usually associated with the rule of law. ** Republicanism, the ideology in support of republics or agains ...
, nowrap , Jan 27, 1883 –
Mar 3, 1883 , Elected to finish Teller's term.Retired. , - style="height:2em" ! rowspan=3 , 4 , rowspan=3 align=left ,
Thomas M. Bowen , rowspan=3 ,
Republican Republican can refer to: Political ideology * An advocate of a republic, a type of government that is not a monarchy or dictatorship, and is usually associated with the rule of law. ** Republicanism, the ideology in support of republics or agains ...
, rowspan=3 nowrap , Mar 4, 1883 –
Mar 3, 1889 , rowspan=3 , Election date unknown.Unknown if retired or lost re-election. , rowspan=3 , 3 , , - style="height:2em" , , rowspan=3 , 3 , rowspan=3 , Elected in 1885. , rowspan=12 nowrap , Mar 4, 1885 –
Mar 3, 1909 , rowspan=6 ,
Republican Republican can refer to: Political ideology * An advocate of a republic, a type of government that is not a monarchy or dictatorship, and is usually associated with the rule of law. ** Republicanism, the ideology in support of republics or agains ...
, rowspan=12 align=right ,
Henry M. Teller ! rowspan=12 , 3 , - style="height:2em" , , - style="height:2em" ! rowspan=6 , 5 , rowspan=6 align=left ,
Edward O. Wolcott Edward Oliver Wolcott (March 26, 1848 – March 1, 1905) was an American politician during the 1890s, who served for 12 years as a Senator from the state of Colorado. Early life Wolcott was born on March 26, 1848 in Longmeadow, Massachusetts. H ...
, rowspan=6 ,
Republican Republican can refer to: Political ideology * An advocate of a republic, a type of government that is not a monarchy or dictatorship, and is usually associated with the rule of law. ** Republicanism, the ideology in support of republics or agains ...
, rowspan=6 nowrap , Mar 4, 1889 –
Mar 3, 1901 , rowspan=3 , Elected in 1889. , rowspan=3 , 4 , , - style="height:2em" , , rowspan=3 , 4 , rowspan=3 , Re-elected in 1891. , - style="height:2em" , , - style="height:2em" , rowspan=3 , Re-elected in 1895.Lost re-election. , rowspan=3 , 5 , , - style="height:2em" , , rowspan=3 , 5 , rowspan=3 , Re-elected in 1897. , rowspan=3 ,
Silver Republican The Silver Republican Party, later known as the Lincoln Republican Party, was a United States political party from 1896 to 1901. It was so named because it split from the Republican Party by supporting free silver (effectively, expansionary moneta ...
, - style="height:2em" , , - style="height:2em" ! rowspan=3 , 6 , rowspan=3 align=left ,
Thomas M. Patterson Thomas MacDonald Patterson (November 4, 1839 – July 23, 1916) was an American politician and newspaper publisher who served as a member of the United States Senate and United States House of Representatives from Colorado. Early life Patters ...
, rowspan=3 , Democratic , rowspan=3 nowrap , Mar 4, 1901 –
Mar 3, 1907 , rowspan=3 , Elected in 1901.Retired. , rowspan=3 , 6 , , - style="height:2em" , , rowspan=3 , 6 , rowspan=3 , Re-elected in 1903.Retired. , rowspan=3 , Democratic , - style="height:2em" , , - style="height:2em" ! rowspan=5 , 7 , rowspan=5 align=left ,
Simon Guggenheim John Simon Guggenheim (December 30, 1867 – November 2, 1941) was an American businessman, politician and philanthropist. Life Born in Philadelphia, Pennsylvania of Jewish descent, Simon Guggenheim was the son of Meyer Guggenheim and Barbara ...
, rowspan=5 ,
Republican Republican can refer to: Political ideology * An advocate of a republic, a type of government that is not a monarchy or dictatorship, and is usually associated with the rule of law. ** Republicanism, the ideology in support of republics or agains ...
, rowspan=5 nowrap , Mar 4, 1907 –
Mar 3, 1913 , rowspan=5 , Elected in 1907.Retired. , rowspan=5 , 7 , , - style="height:2em" , rowspan=2 , rowspan=5 , 7 , Elected in 1909.Died. , nowrap , Mar 4, 1909 –
Jan 11, 1911 , , Democratic , align=right ,
Charles J. Hughes Jr. ! 4 , - style="height:2em" , rowspan=2 ,   , rowspan=2 nowrap , Jan 11, 1911 –
Jan 15, 1913 , rowspan=2 colspan=3 , ''Vacant'' , - style="height:2em" , rowspan=2 , - style="height:2em" , rowspan=2 , Elected to finish Hughes's term. , rowspan=5 nowrap , Jan 15, 1913 –
Mar 3, 1921 , rowspan=5 , Democratic , rowspan=5 align=right ,
Charles S. Thomas Charles Spalding Thomas (December 6, 1849June 24, 1934) was a United States senator from Colorado. Born in Darien, Georgia, he attended private schools in Georgia and Connecticut, and served briefly in the Confederate Army. Biography Thomas gra ...
! rowspan=5 , 5 , - style="height:2em" ! rowspan=3 , 8 , rowspan=3 align=left ,
John F. Shafroth , rowspan=3 , Democratic , rowspan=3 nowrap , Mar 4, 1913 –
Mar 3, 1919 , rowspan=3 , Elected in 1913.Lost re-election. , rowspan=3 , 8 , , - style="height:2em" , , rowspan=3 , 8 , rowspan=3 , Re-elected in 1914.Lost re-election. , - style="height:2em" , , - style="height:2em" ! rowspan=9 , 9 , rowspan=9 align=left ,
Lawrence C. Phipps , rowspan=9 ,
Republican Republican can refer to: Political ideology * An advocate of a republic, a type of government that is not a monarchy or dictatorship, and is usually associated with the rule of law. ** Republicanism, the ideology in support of republics or agains ...
, rowspan=9 nowrap , Mar 4, 1919 –
Mar 3, 1931 , rowspan=6 , Elected in 1918. , rowspan=6 , 9 , , - style="height:2em" , , rowspan=6 , 9 , rowspan=2 , Elected in 1920.Died. , rowspan=2 nowrap , Mar 4, 1921 –
Mar 24, 1923 , rowspan=2 ,
Republican Republican can refer to: Political ideology * An advocate of a republic, a type of government that is not a monarchy or dictatorship, and is usually associated with the rule of law. ** Republicanism, the ideology in support of republics or agains ...
, rowspan=2 align=right ,
Samuel D. Nicholson Samuel Danford Nicholson (1859March 24, 1923) was a United States senator from Colorado. Nicholson was born on Feb. 22, 1859 in Springfield, Prince Edward Island, British North America, he attended the public schools there and moved to Michiga ...
! rowspan=2 , 6 , - style="height:2em" , rowspan=4 , - style="height:2em" ,   , nowrap , Mar 24, 1923 –
May 17, 1923 , colspan=3 , ''Vacant'' , - style="height:2em" , Appointed to continue Nicholson's term.Retired. , nowrap , May 17, 1923 –
Nov 30, 1924 , , Democratic , align=right ,
Alva B. Adams ! 7 , - style="height:2em" , rowspan=2 , Elected to finish Nicholson's term.Lost renomination. , rowspan=2 nowrap , Dec 1, 1924 –
Mar 3, 1927 , rowspan=2 ,
Republican Republican can refer to: Political ideology * An advocate of a republic, a type of government that is not a monarchy or dictatorship, and is usually associated with the rule of law. ** Republicanism, the ideology in support of republics or agains ...
, rowspan=2 align=right ,
Rice W. Means ! rowspan=2 , 8 , - style="height:2em" , rowspan=3 , Re-elected in 1924.Retired. , rowspan=3 , 10 , , - style="height:2em" , , rowspan=6 , 10 , rowspan=3 , Elected in 1926.Died. , rowspan=3 nowrap , Mar 4, 1927 –
Aug 27, 1932 , rowspan=3 ,
Republican Republican can refer to: Political ideology * An advocate of a republic, a type of government that is not a monarchy or dictatorship, and is usually associated with the rule of law. ** Republicanism, the ideology in support of republics or agains ...
, rowspan=3 align=right ,
Charles W. Waterman Charles Winfield Waterman (November 2, 1861August 27, 1932) was a Colorado attorney and politician. He is most notable for his service as a United States senator from Colorado. Born in Waitsfield, Vermont, Waterman graduated from the Univers ...
! rowspan=3 , 9 , - style="height:2em" , , - style="height:2em" ! rowspan=6 , 10 , rowspan=6 align=left ,
Edward P. Costigan Edward Prentiss Costigan (July 1, 1874January 17, 1939) was a Democratic Party politician who represented Colorado in the United States Senate from 1931 to 1937. He was a founding member of the Progressive Party in Colorado in 1912. Early life a ...
, rowspan=6 , Democratic , rowspan=6 nowrap , Mar 4, 1931 –
Jan 3, 1937 , rowspan=6 , Elected in 1930.Retired. , rowspan=6 , 11 , rowspan=4 , - style="height:2em" ,   , nowrap , Aug 27, 1932 –
Sep 26, 1932 , colspan=3 , ''Vacant'' , - style="height:2em" , Appointed to continue Waterman's term.Lost election to finish Waterman's term. , nowrap , Sep 26, 1932 –
Dec 6, 1932 , , Democratic , align=right ,
Walter Walker ! 10 , - style="height:2em" , Elected to finish Waterman's term.Lost election to next term. , nowrap , Dec 7, 1932 –
Mar 3, 1933 , ,
Republican Republican can refer to: Political ideology * An advocate of a republic, a type of government that is not a monarchy or dictatorship, and is usually associated with the rule of law. ** Republicanism, the ideology in support of republics or agains ...
, align=right ,
Karl C. Schuyler Karl Cortlandt Schuyler (April 3, 1877July 31, 1933) was an American attorney and politician from Colorado. A Republican Party (United States), Republican, he was most notable for his service as a United States senator from 1932 to 1933. A nativ ...
! 11 , - style="height:2em" , , rowspan=3 , 11 , rowspan=3 , Elected in 1932. , rowspan=5 nowrap , Mar 4, 1933 –
Dec 1, 1941 , rowspan=5 , Democratic , rowspan=5 align=right ,
Alva B. Adams ! rowspan=5 , 12 , - style="height:2em" , , - style="height:2em" ! rowspan=11 , 11 , rowspan=11 align=left ,
Edwin C. Johnson Edwin Carl Johnson (January 1, 1884 – May 30, 1970) was an American politician of the Democratic Party who served as both governor of and U.S. senator from the state of Colorado. Background Johnson was born in Scandia in Republic County in ...
, rowspan=11 , Democratic , rowspan=11 nowrap , Jan 3, 1937 –
Jan 3, 1955 , rowspan=5 , Elected in 1936. , rowspan=5 , 12 , , - style="height:2em" , , rowspan=5 , 12 , rowspan=2 , Re-elected in 1938.Died. , - style="height:2em" , rowspan=3 , - style="height:2em" ,   , nowrap , Dec 1, 1941 –
Dec 20, 1941 , colspan=3 , ''Vacant'' , - style="height:2em" , rowspan=2 , Appointed to continue Adams's term. Elected in 1942 to finish Adams's term. , rowspan=8 nowrap , Dec 20, 1941 –
Jan 3, 1957 , rowspan=8 ,
Republican Republican can refer to: Political ideology * An advocate of a republic, a type of government that is not a monarchy or dictatorship, and is usually associated with the rule of law. ** Republicanism, the ideology in support of republics or agains ...
, rowspan=8 align=right ,
Eugene Millikin Eugene Donald Millikin (February 12, 1891July 26, 1958) was a United States senator from Colorado who served as Senate Republican Conference Chairperson from 1947 to 1956. Biography Born in Hamilton, Ohio, Millikin graduated from the law sc ...
! rowspan=8 , 13 , - style="height:2em" , rowspan=3 , Re-elected in 1942. , rowspan=3 , 13 , , - style="height:2em" , , rowspan=3 , 13 , rowspan=3 , Re-elected in 1944. , - style="height:2em" , , - style="height:2em" , rowspan=3 , Re-elected in 1948.Retired. , rowspan=3 , 14 , , - style="height:2em" , , rowspan=3 , 14 , rowspan=3 , Re-elected in 1950.Retired. , - style="height:2em" , , - style="height:2em" ! rowspan=9 , 12 , rowspan=9 align=left ,
Gordon Allott Gordon Llewellyn Allott (January 2, 1907January 17, 1989) was a Republican American politician. Allott was born in Pueblo, Colorado to Bertha (née Llewellyn) and Leonard J. Allott; his maternal grandparents were Welsh and his paternal grandpar ...
, rowspan=9 ,
Republican Republican can refer to: Political ideology * An advocate of a republic, a type of government that is not a monarchy or dictatorship, and is usually associated with the rule of law. ** Republicanism, the ideology in support of republics or agains ...
, rowspan=9 nowrap , Jan 3, 1955 –
Jan 3, 1973 , rowspan=3 , Elected in 1954. , rowspan=3 , 15 , , - style="height:2em" , , rowspan=3 , 15 , rowspan=3 , Elected in 1956.Lost re-election. , rowspan=3 nowrap , Jan 3, 1957 –
Jan 3, 1963 , rowspan=3 , Democratic , rowspan=3 align=right ,
John A. Carroll John Albert Carroll (July 30, 1901 – August 31, 1983) was an American politician who served as a United States Democratic Party, Democratic United States Representative and United States Senator from Colorado. He also served as a special assi ...
! rowspan=3 , 14 , - style="height:2em" , , - style="height:2em" , rowspan=3 , Re-elected in 1960. , rowspan=3 , 16 , , - style="height:2em" , , rowspan=3 , 16 , rowspan=3 , Elected in 1962. , rowspan=6 nowrap , Jan 3, 1963 –
Jan 3, 1975 , rowspan=6 ,
Republican Republican can refer to: Political ideology * An advocate of a republic, a type of government that is not a monarchy or dictatorship, and is usually associated with the rule of law. ** Republicanism, the ideology in support of republics or agains ...
, rowspan=6 align=right ,
Peter H. Dominick Peter Hoyt Dominick (July 7, 1915 – March 18, 1981) was an American diplomat, politician and lawyer from Colorado. A member of the Republican Party, he served in the United States Senate from 1963 to 1975. His uncle, Howard Alexander Smith, wa ...
! rowspan=6 , 15 , - style="height:2em" , , - style="height:2em" , rowspan=3 , Re-elected in 1966.Lost re-election. , rowspan=3 , 17 , , - style="height:2em" , , rowspan=3 , 17 , rowspan=3 , Re-elected in 1968.Lost re-election. , - style="height:2em" , , - style="height:2em" ! rowspan=3 , 13 , rowspan=3 align=left ,
Floyd Haskell Floyd Kirk Haskell (February 7, 1916August 25, 1998) was an American lawyer and politician. A member of the Democratic Party, he served as a U.S. Senator from Colorado from 1973 to 1979. Early life and career Floyd Haskell was born in Morrist ...
, rowspan=3 , Democratic , rowspan=3 nowrap , Jan 3, 1973 –
Jan 3, 1979 , rowspan=3 , Elected in 1972.Lost re-election. , rowspan=3 , 18 , , - style="height:2em" , , rowspan=3 , 18 , rowspan=3 , Elected in 1974. , rowspan=6 nowrap , Jan 3, 1975 –
Jan 3, 1987 , rowspan=6 , Democratic , rowspan=6 align=right ,
Gary Hart Gary Warren Hart (''né'' Hartpence; born November 28, 1936) is an American politician, diplomat, and lawyer. He was the front-runner for the 1988 Democratic presidential nomination until he dropped out amid revelations of extramarital affairs. ...
! rowspan=6 , 16 , - style="height:2em" , , - style="height:2em" ! rowspan=6 , 14 , rowspan=6 align=left ,
William L. Armstrong William Lester Armstrong Jr. (March 16, 1937 – July 5, 2016) was an American businessman, administrator, and politician. He was a member of the Republican Party and served as a United States representative and Senator from Colorado. Early li ...
, rowspan=6 ,
Republican Republican can refer to: Political ideology * An advocate of a republic, a type of government that is not a monarchy or dictatorship, and is usually associated with the rule of law. ** Republicanism, the ideology in support of republics or agains ...
, rowspan=6 nowrap , Jan 3, 1979 –
Jan 3, 1991 , rowspan=3 , Elected in 1978. , rowspan=3 , 19 , , - style="height:2em" , , rowspan=3 , 19 , rowspan=3 , Re-elected in 1980.Retired. , - style="height:2em" , , - style="height:2em" , rowspan=3 , Re-elected in 1984.Retired. , rowspan=3 , 20 , , - style="height:2em" , , rowspan=3 , 20 , rowspan=3 , Elected in 1986.Retired. , rowspan=3 nowrap , Jan 3, 1987 –
Jan 3, 1993 , rowspan=3 , Democratic , rowspan=3 align=right ,
Tim Wirth Timothy Endicott "Tim" Wirth (born September 22, 1939) is an American politician from Colorado who served as a Democrat in both the United States Senate (1987-1993) and the United States House of Representatives (1975–1987). He also served in ...
! rowspan=3 , 17 , - style="height:2em" , , - style="height:2em" ! rowspan=4 , 15 , rowspan=4 align=left ,
Hank Brown George Hanks "Hank" Brown (born February 12, 1940) is an American politician and lawyer from Colorado. He is a former Republican politician and U.S. Senator. He served as the 21st president of the University of Colorado system from April 2005 ...
, rowspan=4 ,
Republican Republican can refer to: Political ideology * An advocate of a republic, a type of government that is not a monarchy or dictatorship, and is usually associated with the rule of law. ** Republicanism, the ideology in support of republics or agains ...
, rowspan=4 nowrap , Jan 3, 1991 –
Jan 3, 1997 , rowspan=4 , Elected in 1990.Retired. , rowspan=4 , 21 , , - style="height:2em" , , rowspan=4 , 21 , rowspan=4 , Elected in 1992.Changed parties in 1995. , rowspan=7 nowrap , Jan 3, 1993 –
Jan 3, 2005 , rowspan=2 , Democratic , rowspan=7 align=right ,
Ben Nighthorse Campbell Ben Nighthorse Campbell (born April 13, 1933) is an American Cheyenne politician who represented Colorado's 3rd congressional district in the United States House of Representatives from 1987 to 1993, and as a United States Senator from Colorado f ...
! rowspan=7 , 18 , - style="height:2em" , rowspan=2 , - style="height:2em" , rowspan=5 ,
Republican Republican can refer to: Political ideology * An advocate of a republic, a type of government that is not a monarchy or dictatorship, and is usually associated with the rule of law. ** Republicanism, the ideology in support of republics or agains ...
, - style="height:2em" ! rowspan=6 , 16 , rowspan=6 align=left ,
Wayne Allard Alan Wayne Allard (born December 2, 1943) is an American veterinarian and politician who served as a United States Representative (1991–1997) and United States Senator (1997–2009) from Colorado Colorado (, other variants) is a state i ...
, rowspan=6 ,
Republican Republican can refer to: Political ideology * An advocate of a republic, a type of government that is not a monarchy or dictatorship, and is usually associated with the rule of law. ** Republicanism, the ideology in support of republics or agains ...
, rowspan=6 nowrap , Jan 3, 1997 –
Jan 3, 2009 , rowspan=3 , Elected in 1996. , rowspan=3 , 22 , , - style="height:2em" , , rowspan=3 , 22 , rowspan=3 , Re-elected in 1998.Retired. , - style="height:2em" , , - style="height:2em" , rowspan=3 , Re-elected in 2002.Retired. , rowspan=3 , 23 , , - style="height:2em" , , rowspan=4 , 23 , rowspan=3 , Elected in 2004.Resigned to become
U.S. Secretary of the Interior The United States secretary of the interior is the head of the United States Department of the Interior. The secretary and the Department of the Interior are responsible for the management and conservation of most federal land along with natural ...
. , rowspan=3 nowrap , Jan 3, 2005 –
Jan 20, 2009 , rowspan=3 , Democratic , rowspan=3 align=right ,
Ken Salazar Kenneth Lee Salazar (born March 2, 1955) is an American lawyer, politician, and diplomat who is the United States ambassador to Mexico. He previously served as the 50th United States Secretary of the Interior in the administration of President Ba ...
! rowspan=3 , 19 , - style="height:2em" , , - style="height:2em" ! rowspan=4 , 17 , rowspan=4 align=left ,
Mark Udall Mark Emery Udall ( ; born July 18, 1950) is an American politician who served as a United States Senator from Colorado from 2009 to 2015. A member of the Democratic Party, he previously served in the United States House of Representatives, represe ...
, rowspan=4 , Democratic , rowspan=4 nowrap , Jan 3, 2009 –
Jan 3, 2015 , rowspan=4 , Elected in 2008.Lost re-election. , rowspan=4 , 24 , rowspan=2 , - style="height:2em" , Appointed to finish Salazar's term. , rowspan=10 nowrap , Jan 21, 2009 –
Present , rowspan=10 , Democratic , rowspan=10 align=right ,
Michael Bennet Michael Farrand Bennet (born November 28, 1964) is an American attorney, businessman, and politician serving as the senior United States senator from Colorado, a seat he has held since 2009. A member of the Democratic Party, he was appointed t ...
! rowspan=10 , 20 , - style="height:2em" , , rowspan=3 , 24 , rowspan=3 , Elected to a full term in 2010. , - style="height:2em" , , - style="height:2em" ! rowspan=3 , 18 , rowspan=3 align=left ,
Cory Gardner Cory Scott Gardner (born August 22, 1974) is an American attorney, lobbyist, and politician who served as a United States senator from Colorado from 2015 to 2021. A Republican, he was the U.S. representative for Colorado's 4th congressional distr ...
, rowspan=3 ,
Republican Republican can refer to: Political ideology * An advocate of a republic, a type of government that is not a monarchy or dictatorship, and is usually associated with the rule of law. ** Republicanism, the ideology in support of republics or agains ...
, rowspan=3 nowrap , Jan 3, 2015 –
Jan 3, 2021 , rowspan=3 , Elected in 2014.Lost re-election. , rowspan=3 , 25 , , - style="height:2em" , , rowspan=3 , 25 , rowspan=3 , Re-elected in 2016. , - style="height:2em" , , - style="height:2em" ! rowspan=3 , 19 , rowspan=3 align=left ,
John Hickenlooper John Wright Hickenlooper Jr. (; born February 7, 1952) is an American politician serving as the junior United States senator from Colorado since 2021. A member of the Democratic Party, he served as the 42nd governor of Colorado from 2011 to 20 ...
, rowspan=3 , Democratic , rowspan=3 nowrap , Jan 3, 2021 –
Present , rowspan=3 , Elected in 2020. , rowspan=3 , 26 , , - style="height:2em" , , rowspan=3 , 26 , rowspan=3 , Re-elected in 2022. , - style="height:2em" , , - style="height:2em" , rowspan=2 colspan=5 , To be determined in the 2026 election. , rowspan=2 , 27 , , - style="height:2em" , , 27 , colspan=5 , To be determined in the 2028 election.


See also

*
United States congressional delegations from Colorado Since Colorado became a U.S. state in 1876, it has sent congressional delegations to the United States Senate and United States House of Representatives. Each state elects two senators to serve for six years, and members of the House to two-year ...
* List of United States representatives from Colorado * Elections in Colorado


Notes


References

* {{People from Colorado
United States Senators The United States Senate is the upper chamber of the United States Congress, with the House of Representatives being the lower chamber. Together they compose the national bicameral legislature of the United States. The composition and power ...
Colorado Colorado (, other variants) is a state in the Mountain West subregion of the Western United States. It encompasses most of the Southern Rocky Mountains, as well as the northeastern portion of the Colorado Plateau and the western edge of t ...