Benton County, OR
OR · Presidential Elections 1892–2024
Benton County, OR (Oregon) voted D+39.3 for Kamala Harris (Democrat) in the 2024 presidential election, with Harris receiving 33,909 votes (67.5%) to 14,187 (28.24%) for Trump.
This represents a R+0.4% swing toward Republicans compared to 2020. Benton County is classified as a deep Democratic county. Benton County has voted Democratic in every presidential election since 1988. The county has a population of approximately 96,303.
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 | 67.5%(33,909) | 28.2%(14,187) | D+39.3 | R+0.4 |
| 2020 | 67.9%(35,827) | 28.2%(14,878) | D+39.7 | D+7.4 |
| 2016 | 59.9%(29,193) | 27.6%(13,445) | D+32.3 | D+3.8 |
| 2012 | 62.0%(27,776) | 33.5%(14,991) | D+28.5 | R+3.0 |
| 2008 | 64.3%(29,901) | 32.8%(15,264) | D+31.5 | D+13.9 |
| 2004 | 58.0%(26,515) | 40.4%(18,460) | D+17.6 | D+8.1 |
| 2000 | 50.9%(19,444) | 41.4%(15,825) | D+9.5 | R+4.3 |
| 1996 | 49.9%(17,211) | 36.1%(12,450) | D+13.8 | R+3.1 |
| 1992 | 47.4%(17,966) | 30.5%(11,550) | D+16.9 | D+7.7 |
| 1988 | 53.6%(16,930) | 44.3%(14,004) | D+9.3 | D+14.4 |
Source: Official state election returns via MIT Election Data + Science Lab
Presidential Margin Trend
Benton County, OR • 1892–2024
Senate Elections
Senate Results
| Year | Democrat | Republican | Margin | Swing |
|---|---|---|---|---|
| 2022 | 66.4%(29,953) | 29.7%(13,407) | D+36.7 | R+2.2 |
| 2020 | 67.3%(35,021) | 28.5%(14,811) | D+38.8 | D+5.2 |
| 2016 | 60.9%(29,007) | 27.3%(12,998) | D+33.6 | D+2.2 |
| 2014 | 62.4%(23,073) | 31.0%(11,452) | D+31.4 | D+0.5 |
| 2010 | 63.5%(22,822) | 32.5%(11,696) | D+30.9 | D+15.3 |
| 2008 | 55.9%(24,911) | 40.2%(17,933) | D+15.7 | R+17.0 |
| 2004 | 63.4%(28,090) | 30.8%(13,635) | D+32.6 | D+33.7 |
| 2002 | 47.8%(15,426) | 48.9%(15,780) | R+1.1 | R+31.2 |
| 1998 | 61.7%(18,027) | 31.6%(9,232) | D+30.1 | R+30.8 |
| 1996 | 113.7%(32,967) | 52.7%(15,294) | D+60.9 | D+58.5 |
Source: Official state election returns via MIT Election Data + Science Lab
Governor Elections
Governor Results
| Year | Democrat | Republican | Margin | Swing |
|---|---|---|---|---|
| 2022 | 59.4%(27,128) | 32.1%(14,658) | D+27.3 | D+1.1 |
| 2018 | 60.1%(26,592) | 33.9%(14,990) | D+26.2 | D+1.9 |
| 2016 | 59.3%(28,043) | 35.0%(16,543) | D+24.3 | D+1.5 |
| 2014 | 58.5%(21,694) | 35.7%(13,245) | D+22.8 | D+1.4 |
| 2010 | 59.4%(21,498) | 38.0%(13,767) | D+21.4 | R+1.1 |
| 2006 | 58.7%(20,661) | 36.2%(12,736) | D+22.5 | D+5.6 |
| 2002 | 56.6%(18,226) | 39.6%(12,769) | D+16.9 | R+28.8 |
| 1998 | 69.4%(20,278) | 23.7%(6,918) | D+45.7 | D+20.5 |
| 1994 | 59.5%(19,047) | 34.3%(10,978) | D+25.2 | D+22.2 |
| 1990 | 44.1%(12,961) | 41.1%(12,084) | D+3.0 | R+8.2 |
Source: Official state election returns via MIT Election Data + Science Lab