Colorado Senate
Tue, Nov 3 · Seat held by John W. Hickenlooper Democratic since Jan 2021
3 candidates. Sorted by most raised, FEC through Oct 14.
Show all 6 candidates on the ballot
- Mark BaisleyRepublican
- John W. HickenlooperIncumbentDemocratic
- Bob ChewOther(Forward Party)
- Christopher BaumOther(Approval Voting Party)
- Blake HuberLibertarian
- Adam WithrowOther(Unity Party)
Write-in candidates, not printed on the ballot
- Donald WilloughbyIndependent
- Will PowersRepublican
- Ryan ApelbaumRepublican
Showing major-party nominees, incumbents and candidates with 5%+ in the latest poll or comparable fundraising.
What changed in this race
Newest firstMore about this race
Candidates on the ballot
- Mark BaisleyRepublican
- John W. HickenlooperIncumbentDemocratic
- Bob ChewOther(Forward Party)
- Christopher BaumOther(Approval Voting Party)
- Blake HuberLibertarian
- Adam WithrowOther(Unity Party)
Write-in candidates, not printed on the ballot
- Donald WilloughbyIndependent
- Will PowersRepublican
- Ryan ApelbaumRepublican
Source: coloradosos.gov (XLSX), dated Sep 15
Seat on the ballot, shift from 2014 to 2020: 11.2 points toward Democrats (Republican by 1.9 in 2014, Democratic by 9.3 in 2020). Changed party, R to D.
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History (16 elections for this seat)
- Votes for listed candidates
- 2,500,201
- Election day
- November 8, 2022
US Senate, Colorado, 2022, every candidate Candidate Party Votes and share Share DemocraticMichael F. BennetWon Democratic 1,397,17055.9% RepublicanJoe O'Dea Republican 1,031,69341.3% LibertarianBrian Peotter Libertarian 43,5341.7% OtherT.J. Cole Other 16,3790.7% OtherFrank Atwood Other 11,3540.5% NonpartisanTom Harvey Other 290.0% NonpartisanJoanne Rock Other 250.0% LibertarianJohn Carleton Rutledge Libertarian 90.0% NonpartisanRobert Messman Other 80.0% - Votes for listed candidates
- 3,235,790
- Election day
- November 3, 2020
US Senate, Colorado, 2020, every candidate Candidate Party Votes and share Share DemocraticJohn W. HickenlooperWon Democratic 1,731,11453.5% RepublicanCory Gardner Republican 1,429,49244.2% LibertarianRaymon Anthony Doane Libertarian 56,2621.7% OtherDaniel Doyle Other 9,8200.3% OtherStephan "Seku" Evans Other 8,9710.3% GreenBruce Lohmiller Green 710.0% IndependentDanny Skelly Independent 550.0% IndependentMichael Sanchez Independent 50.0% - Votes for listed candidates
- 2,743,023
- Election day
- November 8, 2016
US Senate, Colorado, 2016, every candidate Candidate Party Votes and share Share DemocraticMichael F. BennetWon Democratic 1,370,71050.0% RepublicanDarryl Glenn Republican 1,215,31844.3% LibertarianLily Tang Williams Libertarian 99,2773.6% GreenArn Menconi Green 36,8051.3% OtherBill Hammons Other 9,3360.3% IndependentDan Chapin Independent 8,3610.3% IndependentPaul Noel Fiorino Independent 3,2160.1% - Votes for listed candidates
- 2,041,058
- Election day
- November 4, 2014
US Senate, Colorado, 2014, every candidate Candidate Party Votes and share Share RepublicanCory GardnerWon Republican 983,89148.2% DemocraticMark Udall Democratic 944,20346.3% LibertarianGaylon Kent Libertarian 52,8762.6% IndependentSteve Shogan Independent 29,4721.4% IndependentRa L Acosta Independent 24,1511.2% OtherBill Hammons Other 6,4270.3% Scattered write-ins Write-in 380.0% - Votes for listed candidates
- 1,772,286
- Election day
- November 2, 2010
US Senate, Colorado, 2010, every candidate Candidate Party Votes and share Share DemocraticMichael F. BennetWon Democratic 851,59048.1% RepublicanKen Buck Republican 822,73146.4% GreenBob Kinsey Green 38,7682.2% LibertarianMaclyn "Mac" Stringer Libertarian 22,5891.3% OtherJason Napolitano Other 19,4151.1% IndependentCharley Miller Independent 11,3300.6% IndependentJ. Moromisato Independent 5,7670.3% Scattered write-ins Write-in 960.0% - Votes for listed candidates
- 2,331,621
- Election day
- November 4, 2008
US Senate, Colorado, 2008, every candidate Candidate Party Votes and share Share DemocraticMark UdallWon Democratic 1,230,99452.8% RepublicanBob Schaffer Republican 990,75542.5% OtherDouglas "Dayhorse" Campbell Other 59,7332.6% GreenBob Kinsey Green 50,0042.1% Scattered write-ins Write-in 1350.0% - Votes for listed candidates
- 2,107,472
- Election day
- November 2, 2004
US Senate, Colorado, 2004, every candidate Candidate Party Votes and share Share DemocraticKen SalazarWon Democratic 1,081,18851.3% RepublicanPete Coors Republican 980,66846.5% OtherDouglas "Dayhorse" Campbell Other 18,7830.9% LibertarianRichard Randall Libertarian 10,1600.5% IndependentJohn R. Harris Independent 8,4420.4% OtherVictor Good Other 6,4810.3% IndependentFinn Gotaas Independent 1,7500.1% - Votes for listed candidates
- 1,416,082
- Election day
- November 5, 2002
US Senate, Colorado, 2002, every candidate Candidate Party Votes and share Share RepublicanWayne AllardWon Republican 717,89350.7% DemocraticTom Strickland Democratic 648,13045.8% OtherDoulgas "Dayhorse" Campbell Other 21,5471.5% LibertarianRick Stanley Libertarian 20,7761.5% OtherJohn Heckman Other 7,1400.5% Scattered write-ins Write-in 5960.0% - Votes for listed candidates
- 1,327,235
- Election day
- November 3, 1998
US Senate, Colorado, 1998, every candidate Candidate Party Votes and share Share RepublicanBen Nighthorse CampbellWon Republican 829,37062.5% DemocraticDottie Lamm Democratic 464,75435.0% LibertarianDavid S. Segal Libertarian 14,0241.1% OtherKevin Swanson Other 9,7750.7% OtherJeffrey Peckman Other 4,1010.3% OtherJohn Heckman Other 3,2300.2% OtherGary Swing Other 1,9810.1% - Votes for listed candidates
- 1,459,601
- Election day
- November 5, 1996
US Senate, Colorado, 1996, every candidate Candidate Party Votes and share Share RepublicanWayne AllardWon Republican 750,31551.4% DemocraticTom Strickland Democratic 667,60045.7% OtherRandy Mackenzie Other 41,6202.9% Scattered write-ins Write-in 660.0% - Votes for listed candidates
- 1,552,289
- Election day
- November 3, 1992
US Senate, Colorado, 1992, every candidate Candidate Party Votes and share Share DemocraticBen Nighthorse CampbellWon Democratic 803,72551.8% RepublicanTerry Considine Republican 662,89342.7% OtherRichard O. Grimes Other 42,4552.7% OtherMatt Noah Other 22,8461.5% IndependentDan Winters Independent 20,3471.3% LibertarianHue Futch Libertarian 230.0% - Votes for listed candidates
- 1,022,027
- Election day
- November 6, 1990
US Senate, Colorado, 1990, every candidate Candidate Party Votes and share Share RepublicanHank BrownWon Republican 569,04855.7% DemocraticJosie Heath Democratic 425,74641.7% OtherJohn Heckman Other 15,4321.5% OtherEarl F. Dodge Other 11,8011.2% - Votes for listed candidates
- 1,060,765
- Election day
- November 4, 1986
US Senate, Colorado, 1986, every candidate Candidate Party Votes and share Share DemocraticTimothy E. WirthWon Democratic 529,44949.9% RepublicanKen Kramer Republican 512,99448.4% IndependentMichael Martin Bush Independent 11,1271.0% OtherMichael R. Chamberlain Other 3,7560.4% OtherHenry John Olshaw Other 1,8680.2% OtherCalvin G. Dodge Other 1,5710.1% - Votes for listed candidates
- 1,297,809
- Election day
- November 6, 1984
US Senate, Colorado, 1984, every candidate Candidate Party Votes and share Share RepublicanWilliam L. "Bill" ArmstrongWon Republican 833,82164.2% DemocraticNancy Dick Democratic 449,32734.6% LibertarianCraig Green Libertarian 11,0770.9% OtherDavid Martin Other 2,2080.2% OtherEarl Higgerson Other 1,3760.1% - Votes for listed candidates
- 1,173,142
- Election day
- November 4, 1980
US Senate, Colorado, 1980, every candidate Candidate Party Votes and share Share DemocraticGary HartWon Democratic 590,50150.3% RepublicanMary Estill Buchanan Republican 571,29548.7% OtherEarl Higgerson Other 7,2650.6% OtherHenry John Olshaw Other 4,0810.3% - Votes for listed candidates
- 819,256
- Election day
- November 7, 1978
US Senate, Colorado, 1978, every candidate Candidate Party Votes and share Share RepublicanWilliam L. ArmstrongWon Republican 480,80158.7% DemocraticFloyd K. Haskell Democratic 330,14840.3% OtherVedder V. Dron Other 5,7890.7% OtherJohn Shue Other 2,5180.3%
1978 to 2022: MIT Election Data and Science Lab, U.S. Senate statewide 1976-2024, retrieved Oct 28, 2026. Compiled by MIT Election Data and Science Lab (MEDSL) from official returns; not an official source
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Cite this page
Election Wrld. (2026). US Senate in Colorado, election results. https://www.electionwrld.com/co/us-senate. Retrieved October 30, 2026.
Sources
Sources: U.S. Senate: senators contact information XML (class per senator) (US government work, public domain), retrieved Oct 28, 2026; MIT Election Data and Science Lab, U.S. Senate statewide 1976-2024 (CC0 1.0), retrieved Oct 28, 2026, compiled by MIT Election Data and Science Lab (MEDSL) from official returns, not an official source; unitedstates/congress-legislators (current) (CC0-1.0), retrieved Oct 28, 2026, compiled by the @unitedstates project volunteers (rosters from official congressional sources) from official returns, not an official source.
DataState data (JSON)Sources: MIT Election Data and Science Lab, U.S. Senate statewide 1976-2024, FEC, DIME (ODC-BY), Portraits: unitedstates/images (public domain), Photo creditsData as of Oct 28, 2026