Colusa County, CA
CA · Presidential Elections 1876–2024
Colusa County, CA (California) voted R+28.2 for Donald Trump (Republican) in the 2024 presidential election, with Trump receiving 4,414 votes (62.87%) to 2,431 (34.62%) for Harris.
This represents a R+11.7% swing toward Republicans compared to 2020. Colusa County is classified as a solid Republican county. Colusa County has voted Republican in every presidential election since 1968. The county has a population of approximately 21,984.
Open in Cartographer
Interactive map with county profile in split-screen view
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 | 34.6%(2,431) | 62.9%(4,414) | R+28.2 | R+11.7 |
| 2020 | 40.7%(3,239) | 57.3%(4,559) | R+16.6 | R+3.3 |
| 2016 | 39.7%(2,661) | 53.0%(3,551) | R+13.3 | D+8.0 |
| 2012 | 38.3%(2,314) | 59.6%(3,601) | R+21.3 | R+3.2 |
| 2008 | 39.8%(2,569) | 57.9%(3,733) | R+18.1 | D+17.5 |
| 2004 | 31.6%(1,947) | 67.2%(4,142) | R+35.6 | R+1.9 |
| 2000 | 31.2%(1,745) | 64.9%(3,629) | R+33.7 | R+16.0 |
| 1996 | 36.6%(2,054) | 54.3%(3,047) | R+17.7 | R+3.7 |
| 1992 | 31.9%(1,798) | 45.9%(2,589) | R+14.0 | D+6.4 |
| 1988 | 39.1%(2,022) | 59.5%(3,077) | R+20.4 | D+11.7 |
Source: Official state election returns via MIT Election Data + Science Lab
Presidential Margin Trend
Colusa County, CA • 1876–2024
Senate Elections
Senate Results
| Year | Democrat | Republican | Margin | Swing |
|---|---|---|---|---|
| 2024 | 35.3%(2,436) | 64.7%(4,471) | R+29.5 | R+139.9 |
| 2018 | 110.4%(5,170) | 0.0%(0) | D+110.4 | D+5.8 |
| 2016 | 104.6%(5,378) | 0.0%(0) | D+104.6 | D+118.1 |
| 2012 | 43.3%(2,482) | 56.7%(3,253) | R+13.4 | D+0.0 |
| 2006 | 41.1%(1,994) | 54.5%(2,647) | R+13.5 | R+0.9 |
| 2000 | 41.2%(2,250) | 53.7%(2,936) | R+12.5 | D+21.4 |
| 1994 | 29.3%(1,449) | 63.3%(3,126) | R+34.0 | R+17.1 |
| 1992 | 37.6%(2,083) | 54.4%(3,014) | R+16.8 | D+3.3 |
| 1988 | 38.4%(1,942) | 58.6%(2,960) | R+20.1 | D+12.7 |
| 1982 | 31.1%(1,435) | 63.9%(2,953) | R+32.9 | R+18.3 |
Source: Official state election returns via MIT Election Data + Science Lab
Governor Elections
Governor Results
| Year | Democrat | Republican | Margin | Swing |
|---|---|---|---|---|
| 2022 | 27.9%(1,553) | 72.1%(4,009) | R+44.2 | R+13.5 |
| 2018 | 34.7%(1,999) | 65.3%(3,764) | R+30.6 | R+16.1 |
| 2014 | 42.7%(1,789) | 57.3%(2,398) | R+14.5 | D+8.1 |
| 2010 | 35.9%(1,878) | 58.6%(3,063) | R+22.7 | D+28.9 |
| 2006 | 22.2%(1,104) | 73.8%(3,665) | R+51.5 | R+13.2 |
| 2002 | 27.2%(1,243) | 65.5%(2,996) | R+38.3 | R+28.4 |
| 1998 | 43.6%(2,136) | 53.5%(2,621) | R+9.9 | D+39.1 |
| 1994 | 23.7%(1,202) | 72.7%(3,691) | R+49.0 | R+19.1 |
| 1990 | 32.4%(1,455) | 62.4%(2,798) | R+29.9 | D+30.8 |
| 1986 | 18.8%(882) | 79.5%(3,729) | R+60.7 | R+31.4 |
Source: Official state election returns via MIT Election Data + Science Lab