Arapahoe County, CO
CO · Presidential Elections 1880–2024
Arapahoe County, CO (Colorado) voted D+20.1 for Kamala Harris (Democrat) in the 2024 presidential election, with Harris receiving 190,725 votes (58.57%) to 125,311 (38.48%) for Trump.
This represents a R+4.6% swing toward Republicans compared to 2020. Arapahoe County is classified as a solid Democratic county. Arapahoe County has voted Democratic in every presidential election since 2008. The county has a population of approximately 659,844.
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Quick Stats
Demographics
Community Profile
Religious Composition
Source: Religion Census 2020Ancestry Groups
Source: Census ACSTop reported ancestry groups (compared to national average).
Age Distribution
Employment by Industry
Census ACSPresidential Elections
Presidential Results
| Year | Democrat | Republican | Margin | Swing |
|---|---|---|---|---|
| 2024 | 58.6%(190,725) | 38.5%(125,311) | D+20.1 | R+4.6 |
| 2020 | 61.0%(213,673) | 36.4%(127,356) | D+24.6 | D+10.5 |
| 2016 | 52.8%(159,885) | 38.6%(117,053) | D+14.1 | D+4.2 |
| 2012 | 53.9%(153,905) | 44.0%(125,588) | D+9.9 | R+3.0 |
| 2008 | 55.7%(148,218) | 42.8%(113,866) | D+12.9 | D+16.9 |
| 2004 | 47.5%(110,262) | 51.4%(119,475) | R+4.0 | D+4.0 |
| 2000 | 43.5%(82,614) | 51.5%(97,768) | R+8.0 | D+0.9 |
| 1996 | 41.9%(68,306) | 50.8%(82,778) | R+8.9 | R+5.8 |
| 1992 | 36.2%(66,607) | 39.3%(72,221) | R+3.1 | D+18.8 |
| 1988 | 38.4%(61,113) | 60.2%(95,926) | R+21.9 | D+23.4 |
Source: Official state election returns via MIT Election Data + Science Lab
Presidential Margin Trend
Arapahoe County, CO • 1880–2024
Senate Elections
Senate Results
| Year | Democrat | Republican | Margin | Swing |
|---|---|---|---|---|
| 2014 | 48.0%(107,347) | 46.5%(103,915) | D+1.5 | R+11.1 |
| 2008 | 54.0%(139,115) | 41.4%(106,555) | D+12.6 | D+19.5 |
| 2002 | 45.0%(68,673) | 51.9%(79,176) | R+6.9 | D+5.5 |
| 1996 | 42.6%(68,053) | 55.0%(87,768) | R+12.4 | D+9.8 |
| 1990 | 37.9%(42,733) | 60.0%(67,696) | R+22.1 | D+22.8 |
| 1984 | 27.0%(39,856) | 71.9%(106,179) | R+44.9 | R+3.6 |
| 1978 | 28.8%(22,736) | 70.2%(55,350) | R+41.3 | R+24.9 |
| 1972 | 41.3%(29,550) | 57.7%(41,276) | R+16.4 | D+14.5 |
| 1966 | 34.5%(14,614) | 65.4%(27,698) | R+30.9 | R+13.5 |
| 1960 | 41.1%(17,666) | 58.5%(25,140) | R+17.4 | R+12.3 |
Source: Official state election returns via MIT Election Data + Science Lab
Governor Elections
Governor Results
| Year | Democrat | Republican | Margin | Swing |
|---|---|---|---|---|
| 2022 | 63.1%(162,304) | 34.9%(89,656) | D+28.3 | D+10.5 |
| 2018 | 57.2%(155,056) | 39.4%(106,833) | D+17.8 | D+9.7 |
| 2014 | 52.0%(116,445) | 43.9%(98,374) | D+8.1 | R+36.9 |
| 2010 | 52.6%(104,147) | 7.6%(15,011) | D+45.0 | D+26.5 |
| 2006 | 58.0%(98,203) | 39.5%(66,907) | D+18.5 | D+55.0 |
| 2002 | 30.5%(46,260) | 67.0%(101,542) | R+36.5 | R+31.3 |
| 1998 | 46.4%(69,278) | 51.6%(76,996) | R+5.2 | R+24.7 |
| 1994 | 57.3%(68,323) | 37.8%(45,007) | D+19.6 | R+11.2 |
| 1990 | 64.2%(71,709) | 33.5%(37,396) | D+30.7 | D+21.2 |
| 1986 | 54.4%(64,340) | 44.8%(53,071) | D+9.5 | R+18.9 |
Source: Official state election returns via MIT Election Data + Science Lab