Jefferson County, OR
OR · Presidential Elections 1916–2024
Jefferson County, OR (Oregon) voted R+29.9 for Donald Trump (Republican) in the 2024 presidential election, with Trump receiving 7,454 votes (63.44%) to 3,941 (33.54%) for Harris.
This represents a R+6.4% swing toward Republicans compared to 2020. Jefferson County is classified as a solid Republican county. Jefferson County has voted Republican in every presidential election since 1996. The county has a population of approximately 25,203.
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 | 33.5%(3,941) | 63.4%(7,454) | R+29.9 | R+6.4 |
| 2020 | 36.9%(4,393) | 60.4%(7,189) | R+23.5 | D+3.0 |
| 2016 | 31.5%(2,980) | 58.0%(5,483) | R+26.5 | R+10.1 |
| 2012 | 40.4%(3,301) | 56.8%(4,642) | R+16.4 | R+7.7 |
| 2008 | 44.3%(3,682) | 52.9%(4,402) | R+8.7 | D+10.1 |
| 2004 | 40.0%(3,243) | 58.7%(4,762) | R+18.7 | R+1.9 |
| 2000 | 38.9%(2,681) | 55.6%(3,838) | R+16.8 | R+15.5 |
| 1996 | 41.2%(2,555) | 42.5%(2,634) | R+1.3 | R+4.6 |
| 1992 | 36.6%(2,161) | 33.2%(1,962) | D+3.4 | D+6.6 |
| 1988 | 47.0%(2,346) | 50.2%(2,509) | R+3.3 | D+22.9 |
Source: Official state election returns via MIT Election Data + Science Lab
Presidential Margin Trend
Jefferson County, OR • 1916–2024
Senate Elections
Senate Results
| Year | Democrat | Republican | Margin | Swing |
|---|---|---|---|---|
| 2022 | 36.3%(3,597) | 61.4%(6,083) | R+25.1 | R+6.2 |
| 2020 | 39.1%(4,591) | 57.9%(6,810) | R+18.9 | R+24.8 |
| 2016 | 48.5%(4,517) | 42.6%(3,967) | D+5.9 | D+15.2 |
| 2014 | 41.5%(2,809) | 50.8%(3,440) | R+9.3 | R+4.2 |
| 2010 | 46.0%(3,036) | 51.1%(3,374) | R+5.1 | D+20.7 |
| 2008 | 33.5%(2,705) | 59.3%(4,788) | R+25.8 | R+58.1 |
| 2004 | 64.3%(5,118) | 32.0%(2,548) | D+32.3 | D+70.5 |
| 2002 | 28.8%(1,716) | 67.1%(3,993) | R+38.3 | R+62.9 |
| 1998 | 60.1%(3,069) | 35.5%(1,809) | D+24.7 | D+16.9 |
| 1996 | 79.2%(4,078) | 71.4%(3,675) | D+7.8 | D+31.2 |
Source: Official state election returns via MIT Election Data + Science Lab
Governor Elections
Governor Results
| Year | Democrat | Republican | Margin | Swing |
|---|---|---|---|---|
| 2022 | 23.6%(2,376) | 62.0%(6,251) | R+38.4 | R+5.9 |
| 2018 | 29.8%(2,635) | 62.3%(5,518) | R+32.6 | R+7.7 |
| 2016 | 34.1%(3,169) | 59.0%(5,484) | R+24.9 | D+0.3 |
| 2014 | 34.2%(2,333) | 59.4%(4,048) | R+25.2 | D+6.8 |
| 2010 | 32.3%(2,132) | 64.2%(4,240) | R+31.9 | R+21.0 |
| 2006 | 41.4%(2,776) | 52.3%(3,511) | R+11.0 | R+0.2 |
| 2002 | 41.7%(2,460) | 52.4%(3,096) | R+10.8 | R+36.4 |
| 1998 | 60.3%(3,080) | 34.7%(1,771) | D+25.6 | D+35.2 |
| 1994 | 41.6%(2,146) | 51.2%(2,639) | R+9.6 | D+2.4 |
| 1990 | 39.2%(1,716) | 51.2%(2,238) | R+11.9 | R+1.0 |
Source: Official state election returns via MIT Election Data + Science Lab