Siskiyou County, CA
CA · Presidential Elections 1876–2024
Siskiyou County, CA (California) voted R+19.2 for Donald Trump (Republican) in the 2024 presidential election, with Trump receiving 12,461 votes (57.96%) to 8,329 (38.74%) for Harris.
This represents a R+3.5% swing toward Republicans compared to 2020. Siskiyou County is classified as a solid Republican county. Siskiyou County has voted Republican in every presidential election since 1996. The county has a population of approximately 43,466.
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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 | 38.7%(8,329) | 58.0%(12,461) | R+19.2 | R+3.5 |
| 2020 | 40.9%(9,593) | 56.6%(13,290) | R+15.8 | D+4.3 |
| 2016 | 35.3%(7,234) | 55.3%(11,341) | R+20.0 | R+4.9 |
| 2012 | 40.2%(8,046) | 55.4%(11,077) | R+15.2 | R+4.8 |
| 2008 | 43.1%(9,292) | 53.4%(11,520) | R+10.3 | D+12.6 |
| 2004 | 37.7%(7,880) | 60.6%(12,673) | R+22.9 | D+6.7 |
| 2000 | 31.9%(6,323) | 61.5%(12,198) | R+29.6 | R+20.7 |
| 1996 | 38.4%(7,022) | 47.3%(8,653) | R+8.9 | R+16.6 |
| 1992 | 39.9%(8,254) | 32.2%(6,660) | D+7.7 | D+11.6 |
| 1988 | 47.0%(8,365) | 50.9%(9,056) | R+3.9 | D+15.0 |
Source: Official state election returns via MIT Election Data + Science Lab
Presidential Margin Trend
Siskiyou County, CA • 1876–2024
Senate Elections
Senate Results
| Year | Democrat | Republican | Margin | Swing |
|---|---|---|---|---|
| 2024 | 38.4%(8,087) | 61.6%(12,958) | R+23.1 | R+131.6 |
| 2018 | 108.4%(15,939) | 0.0%(0) | D+108.4 | D+2.3 |
| 2016 | 106.1%(16,132) | 0.0%(0) | D+106.1 | D+122.2 |
| 2012 | 42.0%(8,196) | 58.0%(11,334) | R+16.1 | R+5.8 |
| 2006 | 41.2%(6,752) | 51.5%(8,433) | R+10.3 | D+3.0 |
| 2000 | 38.4%(7,476) | 51.6%(10,048) | R+13.2 | D+7.7 |
| 1994 | 34.6%(6,256) | 55.5%(10,040) | R+20.9 | R+19.8 |
| 1992 | 44.3%(8,963) | 45.4%(9,180) | R+1.1 | D+9.4 |
| 1988 | 42.4%(7,577) | 52.8%(9,448) | R+10.5 | D+12.4 |
| 1982 | 35.1%(5,640) | 58.0%(9,312) | R+22.9 | R+23.1 |
Source: Official state election returns via MIT Election Data + Science Lab
Governor Elections
Governor Results
| Year | Democrat | Republican | Margin | Swing |
|---|---|---|---|---|
| 2022 | 35.7%(6,326) | 64.3%(11,397) | R+28.6 | R+8.1 |
| 2018 | 39.7%(7,218) | 60.3%(10,946) | R+20.5 | R+8.8 |
| 2014 | 44.2%(6,103) | 55.8%(7,717) | R+11.7 | D+2.3 |
| 2010 | 39.6%(7,274) | 53.5%(9,839) | R+14.0 | D+23.9 |
| 2006 | 27.7%(4,615) | 65.6%(10,916) | R+37.9 | R+11.4 |
| 2002 | 31.9%(4,972) | 58.4%(9,112) | R+26.5 | R+22.8 |
| 1998 | 45.5%(7,493) | 49.2%(8,100) | R+3.7 | D+23.6 |
| 1994 | 32.9%(6,053) | 60.2%(11,075) | R+27.3 | R+14.8 |
| 1990 | 40.1%(6,346) | 52.6%(8,320) | R+12.5 | D+25.8 |
| 1986 | 29.6%(4,584) | 68.0%(10,515) | R+38.3 | R+17.0 |
Source: Official state election returns via MIT Election Data + Science Lab