List of United States Senators from Colorado

Colorado

Colorado is a U.S. state that encompasses much of the Rocky Mountains as well as the northeastern portion of the Colorado Plateau and the western edge of the Great Plains...

was admitted to the Union

United States

The United States of America is a federal constitutional republic comprising fifty states and a federal district...

on August 1, 1876, and elects senators to Senate Class 2 and Class 3. Its current senators are Democrats Mark Udall

Mark Udall

Mark Emery Udall is the senior United States Senator from Colorado and a member of the Democratic Party. From 1999 to 2009, Udall served in the United States House of Representatives, representing . He also served a term in the Colorado House of Representatives.Born in Tucson, Arizona, he is the...

and Michael Bennet

Michael Bennet

Michael Farrand Bennet is an American businessman, lawyer, and politician. He is currently the junior United States Senator from Colorado, and a member of the Democratic Party...

Class 2

#	Senator	Party	Years	Term	Electoral history
1	Henry M. Teller	Republican Republican Party (United States) The Republican Party is one of the two major contemporary political parties in the United States, along with the Democratic Party. Founded by anti-slavery expansion activists in 1854, it is often called the GOP . The party's platform generally reflects American conservatism in the U.S...	November 15, 1876 – April 17, 1882	1	Elected in 1876 United States Senate elections, 1876 The United States Senate election of 1876 was an election which had the Democratic Party gain three seats in the United States Senate, and which coincided with Rutherford B...
1	Henry M. Teller		November 15, 1876 – April 17, 1882	2	Re-elected in 1876 United States Senate elections, 1876 The United States Senate election of 1876 was an election which had the Democratic Party gain three seats in the United States Senate, and which coincided with Rutherford B... Resigned to become U.S. Secretary of the Interior United States Secretary of the Interior The United States Secretary of the Interior is the head of the United States Department of the Interior.The US Department of the Interior should not be confused with the concept of Ministries of the Interior as used in other countries...
Vacant			April 17, 1882 – April 17, 1882
2	George M. Chilcott George M. Chilcott George Miles Chilcott was a delegate to the United States House of Representatives from the Territory of Colorado, and a United States Senator from the State of Colorado....	Republican Republican Party (United States) The Republican Party is one of the two major contemporary political parties in the United States, along with the Democratic Party. Founded by anti-slavery expansion activists in 1854, it is often called the GOP . The party's platform generally reflects American conservatism in the U.S...	April 17, 1882 – January 27, 1883		Appointed to continue Teller's term Retired
3	Horace Tabor	Republican Republican Party (United States) The Republican Party is one of the two major contemporary political parties in the United States, along with the Democratic Party. Founded by anti-slavery expansion activists in 1854, it is often called the GOP . The party's platform generally reflects American conservatism in the U.S...	January 27, 1883 – March 4, 1883		Elected to finish Teller's term Retired
4	Thomas M. Bowen Thomas M. Bowen Thomas Mead Bowen was a United States Senator from Colorado.-Biography:Bowen was born near the present site of Burlington, Iowa, in what was then Michigan Territory. He attended the public schools and the academy at Mount Pleasant, Iowa, and studied law, and was admitted to the bar in 1853 and...	Republican Republican Party (United States) The Republican Party is one of the two major contemporary political parties in the United States, along with the Democratic Party. Founded by anti-slavery expansion activists in 1854, it is often called the GOP . The party's platform generally reflects American conservatism in the U.S...	March 4, 1883 – March 4, 1889	3	Elected in 1882 United States Senate elections, 1882 The United States Senate election of 1882 was an election which had the Republican Party obtain an outright majority in the United States Senate....
5	Edward O. Wolcott	Republican Republican Party (United States) The Republican Party is one of the two major contemporary political parties in the United States, along with the Democratic Party. Founded by anti-slavery expansion activists in 1854, it is often called the GOP . The party's platform generally reflects American conservatism in the U.S...	March 4, 1889 – March 4, 1901	4	Elected in 1888 United States Senate elections, 1888 The United States Senate election of 1888 was an election which, coinciding with Benjamin Harrison's victory over incumbent President Grover Cleveland, had the Republican Party gain twelve seats in the United States Senate, mostly from newly-admitted States....
5	Edward O. Wolcott		March 4, 1889 – March 4, 1901	5	Re-elected in 1894 Lost re-election
6	Thomas M. Patterson	Democratic Democratic Party (United States) The Democratic Party is one of two major contemporary political parties in the United States, along with the Republican Party. The party's socially liberal and progressive platform is largely considered center-left in the U.S. political spectrum. The party has the lengthiest record of continuous...	March 4, 1901 – March 4, 1907	6	Elected in 1900 United States Senate elections, 1900 The United States Senate election of 1900 was an election which had the Republican Party gain three seats in the United States Senate, and which corresponded with President William McKinley's landslide re-election.... Retired
7	Simon Guggenheim Simon Guggenheim Simon Guggenheim was an American businessman, politician, and philanthropist.-Life:He was the son of Meyer Guggenheim and Barbara Guggenheim, and was the younger brother of Daniel Guggenheim and Solomon R...	Republican Republican Party (United States) The Republican Party is one of the two major contemporary political parties in the United States, along with the Democratic Party. Founded by anti-slavery expansion activists in 1854, it is often called the GOP . The party's platform generally reflects American conservatism in the U.S...	March 4, 1907 – March 4, 1913	7	Elected in 1906 United States Senate elections, 1906 The United States Senate election of 1906 was an election which had the Republican Party gain three seats in the United States Senate, expanding their majority to almost twice that of the opposing Democratic Party.... Retired
8	John F. Shafroth John F. Shafroth John Franklin Shafroth was a United States Representative and Senator from Colorado. Born in Fayette, Missouri, he attended the common schools and graduated from the University of Michigan at Ann Arbor in 1875. He studied law, and was admitted to the bar in 1876 and commenced practice in Fayette...	Democratic Democratic Party (United States) The Democratic Party is one of two major contemporary political parties in the United States, along with the Republican Party. The party's socially liberal and progressive platform is largely considered center-left in the U.S. political spectrum. The party has the lengthiest record of continuous...	March 4, 1913 – March 4, 1919	8	Lost re-election
9	Lawrence C. Phipps Lawrence C. Phipps Lawrence Cowle Phipps was a United States Senator representing Colorado from 1919 until 1931.Phipps was born in Amityville, Pennsylvania but grew up in Pittsburgh, Pennsylvania where he joined the Carnegie Steel Company as a clerk. His uncle, Henry Phipps, was the second largest shareholder in...	Republican Republican Party (United States) The Republican Party is one of the two major contemporary political parties in the United States, along with the Democratic Party. Founded by anti-slavery expansion activists in 1854, it is often called the GOP . The party's platform generally reflects American conservatism in the U.S...	March 4, 1919 – March 4, 1931	9	Elected in 1918
9			March 4, 1919 – March 4, 1931	10	Re-elected in 1924 Retired
10	Edward P. Costigan Edward P. Costigan Edward Prentiss Costigan was a Democratic Party politician who represented Colorado in the United States Senate from 1931 until 1937. He was a founding member of the Progressive Party in Colorado in 1912....	Democratic Democratic Party (United States) The Democratic Party is one of two major contemporary political parties in the United States, along with the Republican Party. The party's socially liberal and progressive platform is largely considered center-left in the U.S. political spectrum. The party has the lengthiest record of continuous...	March 4, 1931 – January 3, 1937	11	Elected in 1930 Retired
11	Edwin C. Johnson Edwin C. Johnson Edwin Carl Johnson was a Democratic Party politician who served as Governor of the state of Colorado.-Background:...	Democratic Democratic Party (United States) The Democratic Party is one of two major contemporary political parties in the United States, along with the Republican Party. The party's socially liberal and progressive platform is largely considered center-left in the U.S. political spectrum. The party has the lengthiest record of continuous...	January 3, 1937 – January 3, 1955	12	Elected in 1936
				13	Re-elected in 1942
				14	Re-elected in 1948 Retired
12	Gordon L. Allott Gordon L. Allott Gordon Llewellyn Allott was a Republican American politician.Born in Pueblo, Colorado, Allott graduated from the University of Colorado at Boulder in 1927 and from its law school in 1929. He was admitted to the bar in 1929 and commenced practice in Pueblo...	Republican Republican Party (United States) The Republican Party is one of the two major contemporary political parties in the United States, along with the Democratic Party. Founded by anti-slavery expansion activists in 1854, it is often called the GOP . The party's platform generally reflects American conservatism in the U.S...	January 3, 1955 – January 3, 1973	15	Elected in 1954
				16	Re-elected in 1960
				17	Re-elected in 1966 Lost re-election
13	Floyd K. Haskell Floyd K. Haskell Floyd Kirk Haskell was a United States Senator from Colorado, and a member of the Democratic Party. He graduated from Harvard University 1937; graduated from Harvard Law School 1941; admitted to the New York and Colorado bars in 1946 and commenced practice in Denver, Colorado.; served in the...	Democratic Democratic Party (United States) The Democratic Party is one of two major contemporary political parties in the United States, along with the Republican Party. The party's socially liberal and progressive platform is largely considered center-left in the U.S. political spectrum. The party has the lengthiest record of continuous...	January 3, 1973 – January 3, 1979	18	Elected in 1972 Lost re-election
14	William L. Armstrong William L. Armstrong William Lester "Bill" Armstrong is an American businessman and politician. He is member of the Republican party and was a United States Representative and Senator from Colorado. Armstrong was born in Fremont, Nebraska...	Republican Republican Party (United States) The Republican Party is one of the two major contemporary political parties in the United States, along with the Democratic Party. Founded by anti-slavery expansion activists in 1854, it is often called the GOP . The party's platform generally reflects American conservatism in the U.S...	January 3, 1979 – January 3, 1991	19	Elected in 1978 United States Senate elections, 1978 The United States Senate election of 1978 in the middle of Democratic President Jimmy Carter's term. The Democrats lost a net of three seats to the Republicans, leaving the balance of the chamber 58-41 in favor of the Democrats....
14			January 3, 1979 – January 3, 1991	20	Re-elected in 1984 United States Senate elections, 1984 The 1984 elections to the United States Senate coincided with the landslide re-election of President Ronald Reagan in the 1984 presidential election... Retired
15	Hank Brown Hank Brown George Hanks "Hank" Brown is a former Republican politician and U.S. Senator from Colorado who served as president of the University of Colorado system from April 2005 - January 2008.-Education:...	Republican Republican Party (United States) The Republican Party is one of the two major contemporary political parties in the United States, along with the Democratic Party. Founded by anti-slavery expansion activists in 1854, it is often called the GOP . The party's platform generally reflects American conservatism in the U.S...	January 3, 1991 – January 3, 1997	21	Elected in 1990 United States Senate elections, 1990 Elections to one-third of the seats in the United States Senate were held on Tuesday, November 6, 1990. The Democratic Party increased its majority with a net gain of one seat from the Republicans. This was in keeping with the trend that the party of the President often loses seats in a midterm... Retired
16	Wayne Allard Wayne Allard Alan Wayne Allard is a member of the Republican Party, and was a United States Senator from Colorado. He did not seek re-election in 2008.-Early life:...	Republican Republican Party (United States) The Republican Party is one of the two major contemporary political parties in the United States, along with the Democratic Party. Founded by anti-slavery expansion activists in 1854, it is often called the GOP . The party's platform generally reflects American conservatism in the U.S...	January 3, 1997 – January 3, 2009	22	Elected in 1996 United States Senate elections, 1996 The 1996 elections to the United States Senate coincided with the 1996 presidential election, in which Democrats Bill Clinton and Al Gore were reelected President and Vice President of the United States, respectively....
16			January 3, 1997 – January 3, 2009	23	Re-elected in 2002 United States Senate elections, 2002 The 2002 United States Senate election featured a series of fiercely contested elections that resulted in a victory for the Republican Party, which gained two seats and thus a narrow majority from the Democratic Party in the United States Senate. Senators who were elected in 1996, known as Senate... Retired
17	Mark Udall Mark Udall Mark Emery Udall is the senior United States Senator from Colorado and a member of the Democratic Party. From 1999 to 2009, Udall served in the United States House of Representatives, representing . He also served a term in the Colorado House of Representatives.Born in Tucson, Arizona, he is the...	Democratic Democratic Party (United States) The Democratic Party is one of two major contemporary political parties in the United States, along with the Republican Party. The party's socially liberal and progressive platform is largely considered center-left in the U.S. political spectrum. The party has the lengthiest record of continuous...	January 3, 2009 – Present	24	Elected in 2008 United States Senate elections, 2008 Elections for the United States Senate were held on November 4, 2008, with 35 of the 100 seats in the Senate being contested. Thirty-three seats were regular elections; the winners were eligible to serve six-year terms from January 3, 2009, to January 3, 2015, as members of Senate Class II...
#	Senator	Party	Years	Term	Electoral history

Class 3

#	Senator	Party	Years	Term	Electoral history
1	Jerome B. Chaffee Jerome B. Chaffee Jerome Bonaparte Chaffee was an entrepreneur and United States Senator from Colorado. Chaffee County, Colorado is named after him.-Biography:...	Republican Republican Party (United States) The Republican Party is one of the two major contemporary political parties in the United States, along with the Democratic Party. Founded by anti-slavery expansion activists in 1854, it is often called the GOP . The party's platform generally reflects American conservatism in the U.S...	November 15, 1876 – March 4, 1879	1	Elected in 1876 United States Senate elections, 1876 The United States Senate election of 1876 was an election which had the Democratic Party gain three seats in the United States Senate, and which coincided with Rutherford B... Retired
2	Nathaniel P. Hill Nathaniel P. Hill Nathaniel Peter Hill was a United States Senator from Colorado.-Biography:Born in Montgomery, Orange County, New York, at the Nathaniel Hill Brick House . He married Alice Hale of Providence, Rhode Island, on July 26, 1860...	Republican Republican Party (United States) The Republican Party is one of the two major contemporary political parties in the United States, along with the Democratic Party. Founded by anti-slavery expansion activists in 1854, it is often called the GOP . The party's platform generally reflects American conservatism in the U.S...	March 4, 1879 – March 4, 1885	2	Elected in 1879
3	Henry M. Teller	Republican Republican Party (United States) The Republican Party is one of the two major contemporary political parties in the United States, along with the Democratic Party. Founded by anti-slavery expansion activists in 1854, it is often called the GOP . The party's platform generally reflects American conservatism in the U.S...	March 4, 1885 – March 4, 1909	3	Elected in 1926
		Silver Republican Silver Republican Party The Silver Republican Party was a United States political faction active in the 1890s. It was so named because it split from the Republican Party over the issues of "Free Silver" and bimetallism. The main Republican Party supported the gold standard....		4	Re-elected in 1891
		Democratic Democratic Party (United States) The Democratic Party is one of two major contemporary political parties in the United States, along with the Republican Party. The party's socially liberal and progressive platform is largely considered center-left in the U.S. political spectrum. The party has the lengthiest record of continuous...		5	Re-elected in 1897
				6	Re-elected in 1897 Retired
4	Charles J. Hughes, Jr. Charles J. Hughes, Jr. Charles James Hughes, Jr. was a Democratic U.S. Senator from Colorado.Born in Kingston, Missouri, Hughes attended the common schools and graduated from Richmond College in 1871. He then graduated from the law department of the University of Missouri in Columbia in 1873, was admitted to the bar in...	Democratic Democratic Party (United States) The Democratic Party is one of two major contemporary political parties in the United States, along with the Republican Party. The party's socially liberal and progressive platform is largely considered center-left in the U.S. political spectrum. The party has the lengthiest record of continuous...	March 4, 1909 – January 11, 1911	7	Died
Vacant			January 11, 1911 – January 15, 1913
5	Charles S. Thomas	Democratic Democratic Party (United States) The Democratic Party is one of two major contemporary political parties in the United States, along with the Republican Party. The party's socially liberal and progressive platform is largely considered center-left in the U.S. political spectrum. The party has the lengthiest record of continuous...	January 15, 1913 – March 4, 1921		Elected to finish Hughes's term
5	Charles S. Thomas		January 15, 1913 – March 4, 1921	8	Re-elected in 1914 Lost re-election
6	Samuel D. Nicholson Samuel D. Nicholson Samuel Danford Nicholson was a United States Senator from Colorado. Born in Springfield, Prince Edward Island, Canada, he attended the public schools there and moved to Michigan and then to Nebraska and later, in 1881, to Leadville, Colorado.Nicholson became interested in mining, and advanced from...	Republican Republican Party (United States) The Republican Party is one of the two major contemporary political parties in the United States, along with the Democratic Party. Founded by anti-slavery expansion activists in 1854, it is often called the GOP . The party's platform generally reflects American conservatism in the U.S...	March 4, 1921 – March 24, 1923	9	Elected in 1920 Died
Vacant			March 24, 1923 – May 17, 1923
7	Alva B. Adams Alva B. Adams Alva Blanchard Adams was a Democratic politician who represented Colorado in the United States Senate from 1923 until 1924 and again from 1933 to 1941.-Biography:...	Democratic Democratic Party (United States) The Democratic Party is one of two major contemporary political parties in the United States, along with the Republican Party. The party's socially liberal and progressive platform is largely considered center-left in the U.S. political spectrum. The party has the lengthiest record of continuous...	May 17, 1923 – November 30, 1924		Appointed to continue Nicholson's term Retired
8	Rice W. Means Rice W. Means Rice William Means was a Republican United States Senator from Colorado. Born in St. Joseph, Missouri, he moved with his parents to Yuma County, Colorado in 1887. He settled in Denver in 1889, and attended the public schools and Sacred Heart College of Denver, CO...	Republican Republican Party (United States) The Republican Party is one of the two major contemporary political parties in the United States, along with the Democratic Party. Founded by anti-slavery expansion activists in 1854, it is often called the GOP . The party's platform generally reflects American conservatism in the U.S...	December 1, 1924 – March 4, 1927		Elected to finish Nicholson's term Lost renomination to full term
9	Charles W. Waterman Charles W. Waterman Charles Winfield Waterman was a United States Senator from Colorado. Born in Waitsfield, Washington County, Vermont, he attended the rural schools and St. Johnsbury Academy. He graduated from the University of Vermont at Burlington in 1885, and taught school in Connecticut and also at Fort Dodge,...	Republican Republican Party (United States) The Republican Party is one of the two major contemporary political parties in the United States, along with the Democratic Party. Founded by anti-slavery expansion activists in 1854, it is often called the GOP . The party's platform generally reflects American conservatism in the U.S...	March 4, 1927 – August 27, 1932	10	Elected in 1926 Died
Vacant			August 27, 1932 – September 26, 1932
10	Walter Walker	Democratic Democratic Party (United States) The Democratic Party is one of two major contemporary political parties in the United States, along with the Republican Party. The party's socially liberal and progressive platform is largely considered center-left in the U.S. political spectrum. The party has the lengthiest record of continuous...	September 26, 1932 – December 6, 1932		Appointed to continue Waterman's term Lost special election
11	Karl C. Schuyler Karl C. Schuyler Karl Cortlandt Schuyler was a United States Senator from Colorado.Born in Colorado Springs, he attended the public schools in that city and worked on the Colorado Midland Railroad. He graduated from the law school of the University of Denver in 1898, and was admitted to the bar the same year and...	Republican Republican Party (United States) The Republican Party is one of the two major contemporary political parties in the United States, along with the Democratic Party. Founded by anti-slavery expansion activists in 1854, it is often called the GOP . The party's platform generally reflects American conservatism in the U.S...	December 7, 1932 – March 4, 1933		Elected to finish Waterman's term Lost election to full term
12	Alva B. Adams Alva B. Adams Alva Blanchard Adams was a Democratic politician who represented Colorado in the United States Senate from 1923 until 1924 and again from 1933 to 1941.-Biography:...	Democratic Democratic Party (United States) The Democratic Party is one of two major contemporary political parties in the United States, along with the Republican Party. The party's socially liberal and progressive platform is largely considered center-left in the U.S. political spectrum. The party has the lengthiest record of continuous...	March 4, 1933 – December 1, 1941	11	Elected in 1932
12			March 4, 1933 – December 1, 1941	12	Re-elected in 1938 Died
Vacant			December 1, 1941 – December 20, 1941
13	Eugene Millikin	Republican Republican Party (United States) The Republican Party is one of the two major contemporary political parties in the United States, along with the Democratic Party. Founded by anti-slavery expansion activists in 1854, it is often called the GOP . The party's platform generally reflects American conservatism in the U.S...	December 20, 1941 – January 3, 1957		Appointed to continue Adams's term Elected to continue Adams's term
				13	Elected to full term in 1944
				14	Re-elected in 1950 Retired
14	John A. Carroll John A. Carroll John Albert Carroll was a Democratic United States Representative and United States Senator from Colorado. Born in Denver, he attended the public schools, and during the First World War served in the United States Army...	Democratic Democratic Party (United States) The Democratic Party is one of two major contemporary political parties in the United States, along with the Republican Party. The party's socially liberal and progressive platform is largely considered center-left in the U.S. political spectrum. The party has the lengthiest record of continuous...	January 3, 1957 – January 3, 1963	15	Elected in 1956 Lost re-election
15	Peter H. Dominick Peter H. Dominick Peter Hoyt Dominick was a 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, was a U.S. Senator from New Jersey from 1944 to 1959.Born in Stamford, Connecticut, Dominick graduated from St...	Republican Republican Party (United States) The Republican Party is one of the two major contemporary political parties in the United States, along with the Democratic Party. Founded by anti-slavery expansion activists in 1854, it is often called the GOP . The party's platform generally reflects American conservatism in the U.S...	January 3, 1963 – January 3, 1975	16	Elected in 1962
15			January 3, 1963 – January 3, 1975	17	Re-elected in 1968 Lost re-election
16	Gary Hart Gary Hart Gary Hart is an American politician, lawyer, author, professor and commentator. He served as a Democratic Senator representing Colorado , and ran in the U.S...	Democratic Democratic Party (United States) The Democratic Party is one of two major contemporary political parties in the United States, along with the Republican Party. The party's socially liberal and progressive platform is largely considered center-left in the U.S. political spectrum. The party has the lengthiest record of continuous...	January 3, 1975 – January 3, 1987	18	Elected in 1974
16			January 3, 1975 – January 3, 1987	19	Re-elected in 1980 United States Senate election in Colorado, 1980 The 1980 United States Senate election in Colorado was held on November 4, 1986. Incumbent Democratic U.S. Senator Gary Hart won re-election to a second term.-Results:... Retired
17	Tim Wirth Tim Wirth Timothy Endicott Wirth is a former United States Senator from Colorado. Wirth, a Democrat, was a member of the House from 1975 to 1987 and was elected to the Senate in 1986, serving one term there before stepping down. He was Under Secretary of State for Global Affairs during the Clinton...	Democratic Democratic Party (United States) The Democratic Party is one of two major contemporary political parties in the United States, along with the Republican Party. The party's socially liberal and progressive platform is largely considered center-left in the U.S. political spectrum. The party has the lengthiest record of continuous...	January 3, 1987 – January 3, 1993	20	Elected in 1986 United States Senate election in Colorado, 1986 The 1986 United States Senate election in Colorado was held on November 3, 1986. Incumbent Democratic U.S. Senator Gary Hart decided to retire instead of seeking a third term. Democratic nominee Tim Wirth won the open seat.- Democratic :... Retired
18	Ben Nighthorse Campbell Ben Nighthorse Campbell Benjamin Nighthorse Campbell is an American politician. He was a U.S. Senator from Colorado from 1993 until 2005 and was during his tenure the only American Indian serving in the U.S. Congress. Campbell was a three term U.S. Representative from 1987 to 1993, when he was sworn into office as a...	Democratic Democratic Party (United States) The Democratic Party is one of two major contemporary political parties in the United States, along with the Republican Party. The party's socially liberal and progressive platform is largely considered center-left in the U.S. political spectrum. The party has the lengthiest record of continuous...	January 3, 1993 – January 3, 2005	21	Elected in 1992 United States Senate election in Colorado, 1992 The 1992 United States Senate election in Colorado was held on November 3, 1992. Incumbent Democratic U.S. Senator Tim Wirth decided to retire instead of seeking a second term. Democratic nominee Ben Nighthorse Campbell won the open seat-Candidates:...
		Republican Republican Party (United States) The Republican Party is one of the two major contemporary political parties in the United States, along with the Democratic Party. Founded by anti-slavery expansion activists in 1854, it is often called the GOP . The party's platform generally reflects American conservatism in the U.S...		21
				22	Re-elected in 1998 United States Senate election in Colorado, 1998 The 1998 United States Senate election in Colorado took place on November 3, 1998 alongside other elections to the United States Senate in other states as well as elections to the United States House of Representatives and various state and local elections. Incumbent Republican U.S... Retired
19	Ken Salazar Ken Salazar Kenneth Lee "Ken" Salazar is the current United States Secretary of the Interior, in the administration of President Barack Obama. A member of the Democratic Party, he previously served as a United States Senator from Colorado from 2005 to 2009. He and Mel Martinez were the first Hispanic U.S...	Democratic Democratic Party (United States) The Democratic Party is one of two major contemporary political parties in the United States, along with the Republican Party. The party's socially liberal and progressive platform is largely considered center-left in the U.S. political spectrum. The party has the lengthiest record of continuous...	January 3, 2005 – January 20, 2009	23	Elected in 2004 United States Senate election in Colorado, 2004 The 2004 United States Senate election in Colorado took place on November 2, 2004 alongside other elections to the United States Senate in other states as well as elections to the United States House of Representatives and various state and local elections. Incumbent Republican U.S. Senator Ben... Resigned to become U.S. Secretary of the Interior United States Secretary of the Interior The United States Secretary of the Interior is the head of the United States Department of the Interior.The US Department of the Interior should not be confused with the concept of Ministries of the Interior as used in other countries...
20	Michael Bennet Michael Bennet Michael Farrand Bennet is an American businessman, lawyer, and politician. He is currently the junior United States Senator from Colorado, and a member of the Democratic Party...	Democratic Democratic Party (United States) The Democratic Party is one of two major contemporary political parties in the United States, along with the Republican Party. The party's socially liberal and progressive platform is largely considered center-left in the U.S. political spectrum. The party has the lengthiest record of continuous...	January 21, 2009 – Present	23	Appointed to finish Salazar's term
20			January 21, 2009 – Present	24	Elected to full term in 2010
#	Senator	Party	Years	Term	Electoral history

Class 2

Class 3

See also