Colorado District 4
Tue, Nov 3 · Seat held by Lauren Boebert Republican since Jan 2021
3 candidates. Sorted by most raised, FEC through Oct 14.
- Eileen Laubacher DemocraticDemocratic$13.7M
- Lauren Boebert RepublicanIncumbent$1.2M
- Douglas Mangeris LibertarianLibertarianNo FEC filing found
Only 1 poll in the last 7 weeksNewest poll · Impact Research, field dates Sep 21 to Sep 24, released Oct 9, 403 likely votersPoll sponsored by Invest In Tomorrow CoalitionPolls updated Oct 30, 7:30 p.m. ET, from VoteHub
Boebert 45Laubacher 40Mangeris 9
Show 1 write-in candidate
- Lauren BoebertIncumbentRepublican
- Eileen LaubacherDemocratic
- Douglas MangerisLibertarian
Write-in candidates, not printed on the ballot
- Luis GalvanRepublican
- Last election
- Lauren Boebert (Republican) won by 11.6 points, 2024
- Margin since 2022
- 12.7 points toward Democrats
- On the 2026 ballot
- 3 candidates
Polls over time
One published poll names these candidates: Impact Research, Sep 21 to Sep 24, released Oct 9. All 1 on the polls page. Polls updated Oct 30, 7:30 p.m. ET, from VoteHub.
More about this race
Candidates on the ballot
- Lauren BoebertIncumbentRepublican
- Eileen LaubacherDemocratic
- Douglas MangerisLibertarian
Write-in candidates, not printed on the ballot
- Luis GalvanRepublican
Source: coloradosos.gov (XLSX), dated Sep 15
Shift since 2022: 12.7 points toward Democrats (Republican by 24.3 in 2022, Republican by 11.6 in 2024).
All Colorado districts
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2024 US House margin
- D 15+ pts
- D 5 to 15 pts
- D under 5 pts
- R under 5 pts
- R 5 to 15 pts
- R 15+ pts
- Other winner
- No data
Show these districts as a list (8)
- Colorado District 1· Diana DeGette (D), Democratic by 54.9 points, 2024
- Colorado District 2· Joe Neguse (D), Democratic by 39.5 points, 2024
- Colorado District 3· Jeff Hurd (R), Republican by 5.0 points, 2024
- Colorado District 4· Lauren Boebert (R), Republican by 11.6 points, 2024
- Colorado District 5· Jeff Crank (R), Republican by 13.8 points, 2024
- Colorado District 6· Jason Crow (D), Democratic by 20.5 points, 2024
- Colorado District 7· Brittany Pettersen (D), Democratic by 14.2 points, 2024
- Colorado District 8· Gabe Evans (R), Republican by 0.8 points, 2024
Map settings
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History (25 elections for this seat)
- Votes for listed candidates
- 447,807
- Election day
- November 5, 2024
- District map
- Same as today
US House, Colorado District 4, 2024, every candidate Candidate Party Votes and share Share RepublicanLauren BoebertWon Republican 240,21353.6% DemocraticTrisha Calvarese Democratic 188,24942.0% LibertarianHannah Goodman Libertarian 11,6762.6% OtherFrank Atwood Other 6,2331.4% OtherPaul Noel Fiorino Other 1,4360.3% - Votes for listed candidates
- 354,513
- Election day
- November 8, 2022
- District map
- Same as today
US House, Colorado District 4, 2022, every candidate Candidate Party Votes and share Share RepublicanKen BuckWon Republican 216,02460.9% DemocraticIke McCorkle Democratic 129,61936.6% OtherRyan McGonigal Other 8,8702.5% - Votes for listed candidates
- 475,107
- Election day
- November 3, 2020
- District map
- Older district map (2012 to 2020)
US House, Colorado District 4, 2020, every candidate Candidate Party Votes and share Share RepublicanKen BuckWon Republican 285,60660.1% DemocraticIke McCorkle Democratic 173,94536.6% LibertarianBruce Griffith Libertarian 11,0262.3% OtherLaura Ireland Other 4,5301.0% - Votes for listed candidates
- 369,582
- Election day
- November 6, 2018
- District map
- Older district map (2012 to 2020)
US House, Colorado District 4, 2018, every candidate Candidate Party Votes and share Share RepublicanKen BuckWon Republican 224,03860.6% DemocraticKaren McCormick Democratic 145,54439.4% - Votes for listed candidates
- 390,633
- Election day
- November 8, 2016
- District map
- Older district map (2012 to 2020)
US House, Colorado District 4, 2016, every candidate Candidate Party Votes and share Share RepublicanKen BuckWon Republican 248,23063.5% DemocraticBob Seay Democratic 123,64231.7% LibertarianBruce Griffith Libertarian 18,7614.8% - Votes for listed candidates
- 286,507
- Election day
- November 4, 2014
- District map
- Older district map (2012 to 2020)
US House, Colorado District 4, 2014, every candidate Candidate Party Votes and share Share RepublicanKen BuckWon Republican 185,29264.7% DemocraticVic Meyers Democratic 83,72729.2% LibertarianJess Loban Libertarian 9,4723.3% IndependentGrant Doherty Independent 8,0162.8% - Votes for listed candidates
- 342,336
- Election day
- November 6, 2012
- District map
- Older district map (2012 to 2020)
US House, Colorado District 4, 2012, every candidate Candidate Party Votes and share Share RepublicanCory GardnerWon Republican 200,00658.4% DemocraticBrandon Shaffer Democratic 125,80036.7% LibertarianJosh Gilliland Libertarian 10,6823.1% OtherDoug Aden Other 5,8481.7% - Votes for listed candidates
- 264,181
- Election day
- November 2, 2010
- District map
- Older district map (2002 to 2010)
US House, Colorado District 4, 2010, every candidate Candidate Party Votes and share Share RepublicanCory GardnerWon Republican 138,63452.5% DemocraticBetsy Markey Democratic 109,24941.4% OtherDoug Aden Other 12,3124.7% IndependentKen "Wasko" Waszkiewicz Independent 3,9861.5% - Votes for listed candidates
- 333,375
- Election day
- November 4, 2008
- District map
- Older district map (2002 to 2010)
US House, Colorado District 4, 2008, every candidate Candidate Party Votes and share Share DemocraticBetsy MarkeyWon Democratic 187,34756.2% RepublicanMarilyn N Musgrave Republican 146,02843.8% - Votes for listed candidates
- 240,613
- Election day
- November 7, 2006
- District map
- Older district map (2002 to 2010)
US House, Colorado District 4, 2006, every candidate Candidate Party Votes and share Share RepublicanMarilyn N MusgraveWon Republican 109,73245.6% DemocraticAngie Paccione Democratic 103,74843.1% OtherEric Eidsness Other 27,13311.3% - Votes for listed candidates
- 305,509
- Election day
- November 2, 2004
- District map
- Older district map (2002 to 2010)
US House, Colorado District 4, 2004, every candidate Candidate Party Votes and share Share RepublicanMarilyn N MusgraveWon Republican 155,95851.0% DemocraticStan Matsunaka Democratic 136,81244.8% GreenBob Kinsey Green 12,7394.2% - Votes for listed candidates
- 209,955
- Election day
- November 5, 2002
- District map
- Older district map (2002 to 2010)
US House, Colorado District 4, 2002, every candidate Candidate Party Votes and share Share RepublicanMarilyn N MusgraveWon Republican 115,35954.9% DemocraticStan Matsunaka Democratic 87,49941.7% LibertarianJohn Volz Libertarian 7,0973.4% - Votes for listed candidates
- 263,006
- Election day
- November 7, 2000
- District map
- Older district map (1992 to 2000)
US House, Colorado District 4, 2000, every candidate Candidate Party Votes and share Share RepublicanBob SchafferWon Republican 209,07879.5% OtherDan Sewell Ward Other 19,7217.5% LibertarianKordon L Baker Libertarian 19,7137.5% OtherLeslie J Hanks Other 9,9553.8% Scattered write-insName as filed: Writein Write-in 4,5391.7% - Votes for listed candidates
- 221,291
- Election day
- November 3, 1998
- District map
- Older district map (1992 to 2000)
US House, Colorado District 4, 1998, every candidate Candidate Party Votes and share Share RepublicanBob SchafferWon Republican 131,31859.3% DemocraticSusan Kirkpatrick Democratic 89,97340.7% - Votes for listed candidates
- 244,067
- Election day
- November 5, 1996
- District map
- Older district map (1992 to 2000)
US House, Colorado District 4, 1996, every candidate Candidate Party Votes and share Share RepublicanBob SchafferWon Republican 137,01256.1% DemocraticGuy Keller Democratic 92,83738.0% OtherWes McKinley Other 7,4283.0% OtherCynthia Parker Other 6,7902.8% - Votes for listed candidates
- 188,453
- Election day
- November 8, 1994
- District map
- Older district map (1992 to 2000)
US House, Colorado District 4, 1994, every candidate Candidate Party Votes and share Share RepublicanWayne AllardWon Republican 136,25172.3% DemocraticCathy Kipp Democratic 52,20227.7% - Votes for listed candidates
- 241,841
- Election day
- November 3, 1992
- District map
- Older district map (1992 to 2000)
US House, Colorado District 4, 1992, every candidate Candidate Party Votes and share Share RepublicanWayne AllardWon Republican 139,88457.8% DemocraticTom Redder Democratic 101,95742.2% - Votes for listed candidates
- 165,186
- Election day
- November 6, 1990
- District map
- Older district map (1982 to 1990)
US House, Colorado District 4, 1990, every candidate Candidate Party Votes and share Share RepublicanWayne AllardWon Republican 89,28554.1% DemocraticRichard R "Dick" Bond Democratic 75,90145.9% - Votes for listed candidates
- 213,754
- Election day
- November 8, 1988
- District map
- Older district map (1982 to 1990)
US House, Colorado District 4, 1988, every candidate Candidate Party Votes and share Share RepublicanHank BrownWon Republican 156,20273.1% DemocraticCharles S Vigil Democratic 57,55226.9% - Votes for listed candidates
- 167,761
- Election day
- November 4, 1986
- District map
- Older district map (1982 to 1990)
US House, Colorado District 4, 1986, every candidate Candidate Party Votes and share Share RepublicanHank BrownWon Republican 117,08969.8% DemocraticDavid Sprague Democratic 50,67230.2% - Votes for listed candidates
- 205,930
- Election day
- November 6, 1984
- District map
- Older district map (1982 to 1990)
US House, Colorado District 4, 1984, every candidate Candidate Party Votes and share Share RepublicanHank BrownWon Republican 146,46971.1% DemocraticMary Fagan Bates Democratic 56,46227.4% LibertarianRandy Fitzgerald Libertarian 2,9991.5% - Votes for listed candidates
- 151,300
- Election day
- November 2, 1982
- District map
- Older district map (1982 to 1990)
US House, Colorado District 4, 1982, every candidate Candidate Party Votes and share Share RepublicanHank BrownWon Republican 105,55069.8% DemocraticCharles L "Bud" Bishopp Democratic 45,75030.2% - Votes for listed candidates
- 260,491
- Election day
- November 4, 1980
- District map
- Older district map (1972 to 1980)
US House, Colorado District 4, 1980, every candidate Candidate Party Votes and share Share RepublicanHank BrownWon Republican 178,22168.4% DemocraticPolly Baca Barragan Democratic 76,84929.5% LibertarianCynthia Molson-Smith Libertarian 5,4212.1% - Votes for listed candidates
- 168,542
- Election day
- November 7, 1978
- District map
- Older district map (1972 to 1980)
US House, Colorado District 4, 1978, every candidate Candidate Party Votes and share Share RepublicanJames P "Jim" JohnsonWon Republican 103,12161.2% DemocraticMorgan Smith Democratic 65,42138.8% - Votes for listed candidates
- 221,018
- Election day
- November 2, 1976
- District map
- Older district map (1972 to 1980)
US House, Colorado District 4, 1976, every candidate Candidate Party Votes and share Share RepublicanJames P "Jim" JohnsonWon Republican 119,45854.0% DemocraticDaniel M Ogden Jr Democratic 76,99534.8% IndependentDick Davis Independent 20,3989.2% IndependentHenry Thiel Jr Independent 4,1671.9%
1976 to 2024: MIT Election Data and Science Lab, U.S. House 1976-2024, retrieved Oct 28, 2026. Compiled by MIT Election Data and Science Lab (MEDSL) from official returns; not an official source
District numbers are reused after each redistricting, so rows on older lines cover different territory than today's Colorado District 4.
Download and cite
Cite this page
Election Wrld. (2026). Colorado District 4, US House results. https://www.electionwrld.com/co/congress/4. Retrieved October 30, 2026.
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Sources
Sources: MIT Election Data and Science Lab, U.S. House 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; Census TIGERweb Legislative MapServer (120th CDs layer 0, 119th CDs layer 4, 2026 SLD upper layer 1 and lower layer 2) (US Census Bureau, public domain), retrieved Oct 28, 2026; 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. House 1976-2024, VoteHub polls (CC BY 4.0), FEC, DIME (ODC-BY), Portraits: unitedstates/images (public domain), Photo creditsData as of Oct 30, 2026 (candidate list Oct 28, 2026)