CO-4
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 fetched Oct 30, 2:02 a.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 fetched Oct 30, 2:02 a.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
Select a shape for details. Arrow keys move between shapes.
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
Vote in Colorado
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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%
All rows: MIT Election Data and Science Lab, U.S. House 1976-2024, retrieved Oct 28, 2026
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.
Embed this seat
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<p style="font-size:13px">Data: <a href="https://www.electionwrld.com">Election Wrld</a>, CC BY 4.0</p>Paste this into any web page. It shows the seat, its last result and the next election.
Sources
Sources
- Used for
- web/data/results/house/{ST}.json. The Dataverse API refuses this file behind a guestbook, so the identical file was taken from two public GitHub copies (Hackquantumcpp/snoutcounter-midterms-2026-model data/1976-2024-house.csv and sta199-f26/sta199-f26.github.io _data/gerrymander/1976-2024-house.tab), which are byte-identical to each other and match the md5 a9566ac393913a1af343284e837c17bb that Dataverse lists for dataset version 15.0 (2026-03-09). sha256 76eec42483ee9f0fc5cf6e377442c783d1ae6eefa929729fd6561a69bab47f2a.
- License
- CC0 1.0
- Retrieved
- October 28, 2026
- Link
- https://doi.org/10.7910/DVN/IG0UN2
- Used for
- cd.topo.json, sld/*.topo.json
- License
- US Census Bureau, public domain
- Retrieved
- October 28, 2026
- Link
- https://tigerweb.geo.census.gov/arcgis/rest/services/TIGERweb/Legislative/MapServer
- Used for
- web/data/officials/congress.json (name, party, bioguide, official site, service start) and web/data/people (birth year, committees, social media handles and profile links; links only, nothing copied from the platforms). As-of: the files saved in data/raw/people on 2026-10-29.
- License
- CC0-1.0
- Retrieved
- October 28, 2026
- Link
- https://unitedstates.github.io/congress-legislators/legislators-current.json
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 of Eileen Laubacher: U.S. Navy, Public domainData as of Oct 28, 2026
.jpg){kind=link}