House districts / Colorado
Colorado's 1st congressional district
CO-1. Same lines in 2026 as in 2022.
Fundraising
- Melat Kiros Das of Oct 14, 2026Raised $1.3mSpent $1.2m · Cash $76k
- Shimon Blau UNas of Oct 14, 2026Raised $204kSpent $145k · Cash $60k
- Christy Peterson Ras of Oct 14, 2026Raised $9kSpent $2k · Cash $7k
3 other 2026 candidates filed reports (primary candidates). 10 other candidates have not filed.
Federal Election Commission, candidate totals, public domain.
President in this district
PollCheck calculation from precinct returns on the 2026 lines (method).
| Year | Democrat | Republican | Other | Margin |
|---|---|---|---|---|
| 2024 | Harris 76.6% | Trump 20.6% | 2.8% | D+56.0 |
| 2020 | Biden 79.5% | Trump 18.2% | 2.3% | D+61.3 |
| 2016 | Clinton 73.6% | Trump 18.9% | 7.4% | D+54.7 |
Who lives here
| Measure | This district | US |
|---|---|---|
| People | ||
| Population | 724,976 | |
| Adults (18+) | 594,690 | |
| Citizens, % of adults | 91.2% | 92.1% |
| Age, % of adults | ||
| 18 to 29 | 24.0% | 20.3% |
| 30 to 44 | 35.2% | 25.9% |
| 45 to 64 | 25.6% | 31.8% |
| 65 and over | 15.2% | 22.0% |
| Race and Hispanic origin, % of residents | ||
| White | 54.1% | 57.4% |
| Black | 8.6% | 11.9% |
| Hispanic | 27.9% | 19.3% |
| Asian | 3.6% | 5.9% |
| Other or more than one | 5.8% | 5.5% |
| Education and income | ||
| Bachelor's degree or higher, % of 25+ | 56.5% | 35.7% |
| Median household income | $94,592 | $80,734 |
American Community Survey 2020-2024 5-year estimates for this district. The tick marks the US figure.
Winning margin
Results since 1976
| Year | Winner | Share | Runner-up | Share | Margin |
|---|---|---|---|---|---|
| Current lines (2022 on) seat count changed from 7 to 8 after the census | |||||
| 2024 | Diana DeGette Democrat | 76.5% | Valdamar Archuleta Republican others 1.9% | 21.6% | D+55.0 |
| 2022 | Diana DeGette Democrat | 80.3% | Jennifer Qualteri Republican others 2.2% | 17.5% | D+62.8 |
| Earlier lines, elections 2012-2020 post-census redistricting | |||||
| 2020 | Diana DeGette Democrat | 73.7% | Shane Bolling Republican others 2.8% | 23.5% | D+50.1 |
| 2018 | Diana DeGette Democrat | 73.8% | Charles Casper Stockham Republican others 3.1% | 23.1% | D+50.8 |
| 2016 | Diana DeGette Democrat | 67.9% | Charles "Casper" Stockham Republican others 4.4% | 27.7% | D+40.2 |
| 2014 | Diana DeGette Democrat | 65.8% | Martin Walsh Republican others 5.2% | 29.0% | D+36.8 |
| 2012 | Diana DeGette Democrat | 68.2% | Danny Stroud Republican others 5.0% | 26.8% | D+41.5 |
| Earlier lines, elections 2002-2010 seat count changed from 6 to 7 after the census | |||||
| 2010 | Diana DeGette Democrat | 67.4% | Mike Fallon Republican others 3.8% | 28.8% | D+38.7 |
| 2008 | Diana DeGette Democrat | 71.9% | George C. Lilly Republican others 4.3% | 23.8% | D+48.2 |
| 2006 | Diana DeGette Democrat | 79.8% | Thomas D. Kelly Green | 20.2% | D+59.5 |
| 2004 | Diana DeGette Democrat | 73.5% | Roland Chicas Republican others 2.2% | 24.4% | D+49.1 |
| 2002 | Diana DeGette Democrat | 66.3% | Ken Chlouber Republican others 4.1% | 29.6% | D+36.7 |
| Earlier lines, elections 1992-2000 post-census redistricting | |||||
| 2000 | Diana DeGette Democrat | 68.7% | Jesse L. Thomas Republican others 4.0% | 27.3% | D+41.4 |
| 1998 | Diana DeGette Democrat | 66.9% | Nancy McClanahan Republican others 3.0% | 30.1% | D+36.8 |
| 1996 | Diana DeGette Democrat | 56.9% | Joe Rogers Republican others 2.9% | 40.2% | D+16.7 |
| 1994 | Patricia Schroeder Democrat | 60.0% | William F. Eggert Republican others 0.1% | 39.9% | D+20.1 |
| 1992 | Patrick Schroeder Democrat | 68.8% | Raymond Diaz Aragon Republican | 31.2% | D+37.7 |
| Earlier lines, elections 1982-1990 seat count changed from 5 to 6 after the census | |||||
| 1990 | Patricia Schroeder Democrat | 63.7% | Gloria Gonzales Roemer Republican | 36.3% | D+27.4 |
| 1988 | Patricia Schroeder Democrat | 69.9% | Joy Wood Republican | 30.1% | D+39.9 |
| 1986 | Patricia Schroeder Democrat | 68.4% | Joy Wood Republican | 31.6% | D+36.7 |
| 1984 | Patricia Schroeder Democrat | 62.0% | Mary Downs Republican others 1.7% | 36.3% | D+25.7 |
| 1982 | Patricia Schroeder Democrat | 60.3% | Arch Decker Republican others 2.3% | 37.4% | D+22.8 |
| Earlier lines, elections 1976-1980 | |||||
| 1980 | Pat Schroeder Democrat | 59.8% | Naomi Bradford Republican others 2.5% | 37.8% | D+22.0 |
| 1978 | Pat Schroeder Democrat | 61.5% | Gene Hutcheson Republican others 1.5% | 37.0% | D+24.4 |
| 1976 | Patricia Schroeder Democrat | 53.2% | Don Friedman Republican others 0.6% | 46.2% | D+7.0 |
More on Colorado
Other Colorado districts
About these results
Shares count all candidate votes, including write-ins, with a candidate's votes on several party lines added together. Each result is on the lines in force at the time. Mid-decade redraws before 2016 may be unmarked.
President in this district: 2016 and 2020 are estimates: precinct votes are split between districts by census block.
Counties only partly inside the district show the 2024 result for that part; estimates are labelled.
Margin chart: winner minus runner-up. Gaps are unopposed races; dashed lines are new district lines.
Sources
Results: MIT Election Data and Science Lab, U.S. House 1976-2016 (doi:10.7910/DVN/IG0UN2, CC0; via MEDSL/constituency-returns), and Clerk of the US House, Statistics of the Presidential and Congressional Election 2018-2024 (public domain).
Presidential results: PollCheck calculation from MIT Election Data and Science Lab 2024 precinct returns (doi:10.7910/DVN/XDJYKC, doi:10.7910/DVN/USBYR4, CC0; state totals doi:10.7910/DVN/42MVDX, CC0) and Voting and Election Science Team 2016 and 2020 precinct results and shapes (doi:10.7910/DVN/NH5S2I, doi:10.7910/DVN/K7760H, CC BY 4.0), with US Census Bureau 2020 block populations and block equivalency files (public domain). Official figures: Texas Legislative Council (2024 on the 2026 lines); Louisiana, New Jersey, California and Washington election offices (county totals). Certified results transcribed by Wikipedia (CC BY-SA 4.0): Maine 2024 by district: 2024 United States presidential election in Maine (revision 1382530995); Indiana county totals: 2024 United States presidential election in Indiana (revision 1382505975); Oregon county totals: 2024 United States presidential election in Oregon (revision 1382605746).
District lines: US Census Bureau TIGER/Line 2026 (120th Congress) and 2025 cartographic boundary files (119th Congress), public domain.
Members: unitedstates/congress-legislators (CC0).
Counties: US Census Bureau 2024 cartographic boundary file (public domain); 2024 county results summed from the same MEDSL precinct returns, with the official county totals above.
Demographics: US Census Bureau, American Community Survey 5-year estimates 2020-2024 (public domain).
2028 candidates: Federal Election Commission (public domain).
Photos: official portraits, public domain (US government); see Photo credits.
PollCheck US. Data through November 5, 2026. Photo credits