Colorado 4th Congressional District: Diversifying Metro district. In 2024, voted R+18%. Republican peak: R+28 in 2012.
Key facts
- 2024 presidential margin
- R+18MIT Election Lab
- Political typology
- Diversifying MetroAkashic typology
- Population
- 1,924,3552024 5-year
- Median household income
- $105,4242024 5-year
- White (non-Hispanic)
- 67.1%2024 5-year
- Black
- 4.9%2024 5-year
- Hispanic / Latino
- 24.7%2024 5-year
- Peak Republican margin
- R+28 in 2012MIT Election Lab
Predecessors: BUCK, Kenneth Robert (2023–2025), LOPEZ, Greg (2023–2025), BUCK, Kenneth Robert (2021–2023), BUCK, Kenneth Robert (2019–2021)
| Donald Trump ✓Republican | 57.9% | 267,241 |
|---|---|---|
| Kamala HarrisDemocratic | 39.6% | 182,985 |
| OtherAll other candidates | 2.5% | 11,568 |
| Year | Margin (D minus R) |
|---|---|
| 2008 | −20.7% |
| 2012 | −27.8% |
| 2016 | −27.4% |
| 2020 | −18.6% |
| 2024 | −18.2% |
| Year | Won | Margin | Democratic | Republican | Total |
|---|---|---|---|---|---|
| R | 182,985 | 267,241 | 461,794 | ||
| R | 174,509 | 256,525 | 440,448 | ||
| R | 117,242 | 217,316 | 364,711 | ||
| R | 115,807 | 204,950 | 320,757 | ||
| R | 116,450 | 178,639 | 300,835 |
U.S. Senate
| Year | Won | D % | R % | Total |
|---|---|---|---|---|
| 2022 | D | 55.9% | 41.3% | 2,500,201 |
| 2020 | D | 53.5% | 44.2% | 3,235,790 |
| 2016 | D | 50.0% | 44.3% | 2,743,023 |
| 2014 | R | 46.3% | 48.2% | 2,041,058 |
| 2010 | D | 48.1% | 46.4% | 1,772,286 |
| 2008 | D | 52.8% | 42.5% | 2,331,621 |
| 2004 | D | 51.3% | 46.5% | 2,107,472 |
| 2002 | R | 45.8% | 50.7% | 1,416,082 |
| 1998 | R | 35.0% | 62.5% | 1,327,235 |
| 1996 | R | 45.7% | 51.4% | 1,459,601 |
| 1992 | D | 51.8% | 42.7% | 1,552,289 |
| 1990 | R | 41.7% | 55.7% | 1,022,027 |
| 1986 | D | 49.9% | 48.4% | 1,060,765 |
| 1984 | R | 34.6% | 64.2% | 1,297,809 |
| 1980 | D | 50.3% | 48.7% | 1,173,142 |
| 1978 | R | 40.3% | 58.7% | 819,256 |
Demographics
Covering the entire eastern third of Colorado plus rural southern counties, CO-4 is one of the largest districts by area in the contiguous U.S., where ranching economies and sparse population density have produced consistent double-digit Republican margins in recent election cycles.
Across the recorded series it reached a Republican high of twenty-eight points in 2012. The 2024 margin was eighteen points.
A population of 1,924,355, a 67% non-Hispanic-white share, and a median household income of $105,424 describe the district.
Compare two places, side by side
Twelve curated comparisons line up election history, demographics, and the divergence story for two places at a glance. Browse all comparisons →
Congressional District 4, Colorado. Akashic. https://akashic.app/cd/0804/. Accessed May 20, 2026. License: CC BY 4.0.