The 2006 Colorado gubernatorial election was held on November 7, 2006. Incumbent Republican governor Bill Owens was unable to run due to term limits, and the election was won by Democratic nominee Bill Ritter.
Rice William Means was an American soldier and lawyer who became a Ku Klux Klan leader and a Republican United States Senator from Colorado.
Charles Winfield Waterman was a Colorado attorney and politician. He is most notable for his service as a United States senator from Colorado.
Stephen R. Fitzgarrald was the 17th Lieutenant Governor of Colorado, serving from 1909 to 1915 serving under Governors John F. Shafroth and Elias M. Ammons as a member of the Democratic party.
Electoral reform in Colorado refers to efforts to change the voting laws in the Centennial State.
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 Nighthorse Campbell decided to retire instead of seeking a third term. Democratic nominee Ken Salazar won the open seat, defeating Republican nominee Pete Coors despite Republican President George Walker Bush carrying the state over John Kerry in the concurrent presidential election in Colorado.
The 2014 Colorado gubernatorial election was held on November 4, 2014, to elect the Governor and Lieutenant Governor of Colorado, concurrently with the election to Colorado's Class II U.S. Senate seat, as well as other elections to the United States Senate in other states and elections to the United States House of Representatives and various state and local elections.
The 1944 United States Senate special election in Colorado took place on November 7, 1944. Incumbent Republican Senator Eugene Millikin, who was first appointed to fill Alva B. Adams's seat in 1941 and re-elected at the ensuing special election in 1942, ran for re-election to his first full term. In the general election, he faced wealthy Denver attorney Barney L. Whatley. Millikin benefited from the strong Republican performance in Colorado—Thomas E. Dewey and Governor John C. Vivian both won their respective elections by decisive margins—and cruised to a landslide victory over Whatley.
A general election was held in the U.S. state of Colorado on November 6, 2018. All of Colorado's executive offices and all seven of its seats in the United States House of Representatives were up for election. Democrats swept the statewide offices up for election, leaving the Class 2 U.S. Senate seat as the last statewide office held by a Republican.
The 2022 United States Senate election in Colorado was held on November 8, 2022, to elect a member of the United States Senate to represent the State of Colorado. Incumbent Democratic Senator Michael Bennet won reelection to a third full term, defeating Republican businessman Joe O'Dea. Originally appointed to the seat in 2009, Bennet won full terms in 2010 and 2016.
The 2018 United States House of Representatives elections in Colorado were held on November 6, 2018, to elect the seven U.S. representatives from the state of Colorado, one from each of the state's seven congressional districts. The Republican and Democratic Party primaries in Colorado were held on June 26, 2018. The elections coincided with the gubernatorial election, as well as other elections to the House of Representatives, elections to the United States Senate, and various state and local elections.
The 1914 United States Senate election in Colorado took place on November 3, 1914. It was the first direct U.S. Senate election in Colorado following the ratification of the Seventeenth Amendment. Incumbent U.S. Senator Charles S. Thomas, a Democrat, who was first elected by the state legislature to fill a vacancy in 1913, ran for re-election to a full term.
The 1920 United States Senate election in Colorado took place on November 2, 1920. Incumbent Democratic Senator Charles S. Thomas initially declined to run for re-election, and State Supreme Court Justice Tully Scott won the Democratic nomination to succeed him, facing off against former Leadville Mayor Samuel D. Nicholson, the Republican nominee. However, in October 1920, Thomas announced that he would run for re-election as the nominee of the National Party. However, Thomas's decision did not ultimately affect the outcome of the election. Aided by Republican presidential nominee Warren G. Harding's strong performance in the state, as well as Republican Governor Oliver Henry Shoup's landslide re-election, Nicholson defeated Tully and Thomas in a landslide. Out of four candidates, Thomas placed fourth, winning just 3% of the vote and finishing behind Farmer–Labor nominee G. F. Stevens.
The 1924 United States Senate special election in Colorado took place on November 4, 1924, to fill the remainder of the term for which Samuel D. Nicholson was elected in 1920. Nicholson died in office on March 24, 1923, and Democratic Governor William Ellery Sweet appointed Alva B. Adams, a prominent Pueblo attorney, to fill the vacancy. Adams, however, declined to be a candidate in the special election, instead challenging incumbent Republican Senator Lawrence C. Phipps in the regular election the same year.
The 1930 United States Senate election in Colorado took place on November 4, 1930. Republican Senator Lawrence C. Phipps declined to run for re-election, resulting in an open race to replace him. Edward P. Costigan, one of the founding members of the Progressive Party in Colorado and a former member of the United States Tariff Commission, won the Democratic nomination and faced attorney George H. Shaw, the Republican nominee, in the general election. Aided by the nationwide Democratic landslide, Costigan handily defeated Shaw, becoming the first Democrat elected to the Senate from Colorado since 1914.
The 2020 United States House of Representatives elections in Colorado was held on November 3, 2020, to elect the seven U.S. representatives from the state of Colorado, one from each of the state's seven congressional districts. The elections coincided with the 2020 U.S. presidential election, as well as other elections to the House of Representatives, elections to the United States Senate and various state and local elections.
The 1918 United States Senate election in Colorado took place on November 5, 1918. It was the second direct U.S. Senate election in Colorado following the ratification of the Seventeenth Amendment, and the first for the Class 2 Senate seat. Democratic Senator John F. Shafroth ran for re-election to a second term, and was opposed by Denver businessman Lawrence C. Phipps, the Republican nominee, in the general election. As Republicans made gains nationwide, they performed well in Colorado, too, and Phipps unseated Shafroth by a thin margin.
The 1924 Colorado gubernatorial election was held on November 4, 1924. Republican nominee Clarence Morley defeated Democratic incumbent William Ellery Sweet with 51.92% of the vote.
The 1932 United States Senate elections in Colorado took place on November 8, 1932. Incumbent Republican Senator Charles W. Waterman announced that he would not seek re-election to a second term. Attorney Karl C. Schuyler won the Republican nomination to succeed Waterman and faced former Senator Alva B. Adams, the Democratic nominee, in the general election.
