The Colorado Republican Party is the state affiliate of the Republican Party in the U.S. state of Colorado. The party's headquarters is located in Greenwood Village, Colorado.

The Republican Party was dominant in the state as recently as the mid-2000s, however it has declined over the subsequent decades. After the 2020 elections, Republicans held the smallest amount of political power in the state government since World War II. This decline has been attributed to various factors, including the party moving too far right for the state, changing demographics, mismanaged campaign money, internal party divisions, a better organized Democratic Party, and the unpopularity of Donald Trump in the state.

The party fared even poorer in the 2022 elections, in which Democrats swept every statewide office by a double-digit margin, expanded their majority in the state's U.S. House delegation, and further expanded their supermajorities in both chambers of the legislature. Since 2023, the party has faced revenue loss and party infighting, with the party veering further towards the far-right and overall further decline of influence in the state.

History 2010s Ted Cruz won all of Colorado's delegates during the 2016 presidential primaries. Colorado's delegation to the 2016 Republican National Convention stagged a walkout as part of the Never Trump movement. However, Ken Buck and other members of the delegation later became Trump supporters after initially opposing him.

According to Frank McNulty, fringe candidates began winning in safe Republican seats in the 2010s. Republicans in Colorado shifted rightward following the election of Trump. From 2018 to 2020, Republicans lost all of their statewide offices, except for the at-large Board of Regents seat held by Heidi Ganahl. Between 1984 and 2016, the Republicans had more registered voters than the Democrats. In 2020, the Republicans lost control of the Regents of the University of Colorado for the first time in 41 years.

Patrick Neville was elected minority leader in the state house in 2016, which gave him control of the caucus' bank account. Neville renamed the account to Values First Colorado and registered it under his brother Joe Neville. The previous vendor was fired and replaced with Rearden Strategic, which was run by Joe. $207,800 was given to Rearden Strategic from 2017 to 2020, and two other committees managed by Joe, Citizens for Secure Borders IEC and Take Back Colorado, were given $274,200 and $545,000 respectively. Representative Larry Liston stated that it was embarrassing for those who contributed funds and Representative Lois Landgraf was critical of the lack of oversight and not supporting "appropriate candidates".

2020s Since Joe Biden defeated Donald Trump in the 2020 presidential election, elements of the Colorado GOP and its voter base have espoused support for Trump's false claims of election fraud. While top Colorado Republicans have defended Colorado's local elections, they have cast doubt on the validity of the election results in other states or stayed silent on Trump's allegations of fraud. On December 7, 2020, a group of Republicans requested to the Speaker of the House KC Becker that a committee be formed on "election integrity" to conduct an audit of the Dominion Voting Systems used in Colorado in spite of no evidence of issues. The request was rejected, with Becker criticizing it as "a dangerous stunt" and a promotion of "debunked conspiracy theories."

Also in December, Colorado congressional Republicans supported a lawsuit aimed to overturn the election results. On January 6, 2021, congressional Republicans from Colorado objected to certification of the results, with Lauren Boebert and Doug Lamborn objecting to certification of the results.

The party performed poorly in the 2022 elections; Democrats won every statewide office by double digits, expanded their numbers in the state's U.S. House delegation, and further expanded their majorities in both chambers of the legislature. In the aftermath of the heavily lopsided results, Republican state representative Colin Larson lamented that "Colorado Republicans need to take this and learn the lesson that the party is dead. This was an extinction-level event."

In 2023, former state representative Dave Williams was elected to chair the state's Republican Party; he has been noted for promoting false claims of election fraud. Since 2023, the party has faced a significant loss of funding, an increase in infighting and party division, controversial leadership, the party veering further to the right, and a further decrease of influence within the state.

In March 2025, former Routt County treasurer Brita Horn was elected chairperson of the party.

In February 2026, more than half of the state's central committee convened and passed a resolution expressing "no confidence" in chairwoman Britta Horn's leadership. Horn responded by calling the meeting "illegal."

Current elected officials After the 2022 Colorado elections, the Colorado Republican Party controls none of the statewide offices and holds minorities in the Colorado Senate and House of Representatives. Republicans currently hold half of the state's U.S. House delegation, having erased the Democrats' majority after the 2024 elections when Gabe Evans defeated incumbent Democrat Yadira Caraveo.

Members of Congress U.S. Senate None

Both of Colorado's U.S. Senate seats have been held by Democrats since 2021. Cory Gardner was the last Republican to represent Colorado in the U.S. Senate. First elected in 2014, Gardner lost his bid for a second term in 2020 to John Hickenlooper who has held the seat since.

U.S. House of Representatives +DistrictMemberPhoto3rd4th5th8th

Statewide offices None. Republicans have not won a statewide office since 2016, when Heidi Ganahl narrowly won the at-large seat on the University of Colorado Board of Regents.Paul, Jesse (September 10, 2021). "Republican Heidi Hanahl files to run for Colorado governor in 2022". The Colorado Sun. Retrieved September 21, 2021. "The University of Colorado regent, who is the only Republican official who holds statewide office, was expected to formally announce her bid next week."

Legislative leadership Senate Minority Leader: Cleave Simpson House Minority Leader: Jarvis Caldwell

Election results

Presidential +Colorado Republican Party presidential election resultsElectionPresidential ticketVotesVote %Electoral votesResult1876Rutherford B. Hayes/William A. WheelerNo popular vote1880James A. Garfield/Chester A. Arthur27,45051.26%1884James G. Blaine/John A. Logan39,51454.25%1888Benjamin Harrison/Levi P. Morton50,77255.22%1892Benjamin Harrison/Whitelaw Reid38,62041.13%1896William McKinley/Garret Hobart26,27113.86%1900William McKinley/Theodore Roosevelt93,07242.04%1904Theodore Roosevelt/Charles W. Fairbanks134,66155.26%1908William Howard Taft/James S. Sherman123,69346.88%1912William Howard Taft/Nicholas M. Butler58,38621.88%1916Charles E. Hughes/Charles W. Fairbanks102,30834.75%1920Warren G. Harding/Calvin Coolidge173,24859.32%1924Calvin Coolidge/Charles G. Dawes195,17157.02%1928Herbert Hoover/Charles Curtis253,87264.72%1932Herbert Hoover/Charles Curtis189,61741.43%1936Alf Landon/Frank Knox181,26737.09%1940Wendell Willkie/Charles L. McNary279,57650.92%1944Thomas E. Dewey/John W. Bricker268,73153.21%1948Thomas E. Dewey/Earl Warren239,71446.52%1952Dwight D. Eisenhower/Richard Nixon379,78260.27%1956Dwight D. Eisenhower/Richard Nixon394,47959.49%1960Richard Nixon/Henry Cabot Lodge Jr.402,24254.63%1964Barry Goldwater/William E. Miller296,76738.19%1968Richard Nixon/Spiro Agnew409,34550.46%1972Richard Nixon/Spiro Agnew597,18962.61%1976Gerald Ford/Bob Dole584,36754.05%1980Ronald Reagan/George H. W. Bush652,26455.07%1984Ronald Reagan/George H. W. Bush821,81863.44%1988George H. W. Bush/Dan Quayle728,17753.06%1992George H. W. Bush/Dan Quayle562,85035.87%1996Bob Dole/Jack Kemp691,84845.80%2000George W. Bush/Dick Cheney883,74550.75%2004George W. Bush/Dick Cheney1,101,25551.69%2008John McCain/Sarah Palin1,073,62944.71%2012Mitt Romney/Paul Ryan1,185,24346.13%2016Donald Trump/Mike Pence1,202,48443.25%2020Donald Trump/Mike Pence1,364,60741.90%2024Donald Trump/JD Vance1,377,44143.14%

Gubernatorial +Colorado Republican Party gubernatorial election resultsElectionGubernatorial candidate/ticketVotesVote %Result1876John Long Routt14,15451.53%Won 1878Frederick Walker Pitkin14,30849.98%Won 1880Frederick Walker Pitkin28,46553.28%Won 1882E. L. Campbell28,82046.91%Lost 1884Benjamin Harrison Eaton33,84550.74%Won 1886William H. Meyer26,81645.55%Lost 1888Job Adams Cooper49,49053.84%Won 1890John Long Routt41,82750.11%Won 1892Joseph Helm38,80641.79%Lost 1894Albert McIntire93,50251.95%Won 1896G. H. Allen23,94512.66%Lost 1898Henry R. Wolcott51,05134.17%Lost 1900Frank C. Goudy96,02743.53%Lost 1902James Hamilton Peabody87,68446.94%Won 1904James Hamilton Peabody113,75446.80%Lost 1906Henry Augustus Buchtel92,60245.59%Won 1908Jesse Fuller McDonald118,95345.16%Lost 1910John B. Stephen97,69143.48%Lost 1912Clifford C. Parks63,06123.73%Lost 1914George Alfred Carlson129,09648.67%Won 1916George Alfred Carlson117,72341.28%Lost 1918Oliver Henry Shoup112,69351.15%Won 1920Oliver Henry Shoup174,48859.55%Won 1922Benjamin Griffith134,35348.29%Lost 1924Clarence Morley178,07851.92%Won 1926Oliver Henry Shoup116,75638.11%Lost 1928William L. Boatright114,06731.85%Lost 1930Robert F. Rockwell124,16438.06%Lost 1932James D. Parriott183,25840.78%Lost 1934Nathan C. Warren162,79139.91%Lost 1936Charles M. Armstrong210,61443.65%Lost 1938Ralph Lawrence Carr296,67159.50%Won 1940Ralph Lawrence Carr296,67154.37%Won 1942John Charles Vivian193,50156.23%Won 1944John Charles Vivian259,86252.40%Won 1946Leon Lavington160,48347.89%Lost 1948David A. Hamil168,92833.67%Lost 1950Daniel I. J. Thornton236,47252.43%Won 1952Daniel I. J. Thornton349,92457.08%Won 1954Donald G. Brotzman227,33546.44%Lost 1956Donald G. Brotzman313,95048.66%Lost 1958Palmer Burch228,64341.59%Lost 1962John Arthur Love349,34256.67%Won 1966John Arthur Love356,73054.05%Won 1970John Arthur Love/John D. Vanderhoof350,69052.46%Won 1974John D. Vanderhoof/Ted L. Strickland378,90745.71%Lost 1978Ted L. Strickland/Hank Brown317,29238.53%Lost 1982John Fuhr/Robert E. Denier302,74031.67%Lost 1986Ted L. Strickland/Kathy Arnold434,42041.03%Lost 1990John Andrews/Lillian Bickel358,40335.43%Lost 1994Bruce D. Benson/Bob Schaeffer432,04238.70%Lost 1998Bill Owens/Joe Rogers648,20249.06%Won 2002Bill Owens/Jane Norton884,58362.62%Won 2006Bob Beauprez/Janet Rowland625,88640.2%Lost 2010Dan Maes/Tambor Williams199,79211.1%Lost 2014Bob Beauprez/Jill Repella938,19545.95%Lost 2018Walker Stapleton/Lang Sias1,080,80142.80%Lost 2022Heidi Ganahl/Danny Moore983,04039.2%Lost

See also Republican Party (United States) Political party strength in Colorado Ryan Call (party official) - Party chairman from 2011-2015

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