Union County, OH
OH · Presidential Elections 1892–2024
Union County, OH (Ohio) voted R+29.4 for Donald Trump (Republican) in the 2024 presidential election, with Trump receiving 23,982 votes (63.84%) to 12,934 (34.43%) for Harris.
This represents a D+2.1% swing toward Democrats compared to 2020. Union County is classified as a solid Republican county. Union County has voted Republican in every presidential election since 1936. The county has a population of approximately 67,324.
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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 | 34.4%(12,934) | 63.8%(23,982) | R+29.4 | D+2.1 |
| 2020 | 33.3%(11,141) | 64.8%(21,669) | R+31.5 | D+5.6 |
| 2016 | 27.6%(7,718) | 64.7%(18,096) | R+37.1 | R+8.1 |
| 2012 | 34.2%(8,805) | 63.2%(16,289) | R+29.1 | R+1.1 |
| 2008 | 35.1%(8,761) | 63.0%(15,744) | R+27.9 | D+12.7 |
| 2004 | 29.4%(6,665) | 70.1%(15,870) | R+40.7 | R+2.7 |
| 2000 | 29.6%(5,040) | 67.6%(11,502) | R+38.0 | R+16.0 |
| 1996 | 33.3%(4,989) | 55.3%(8,290) | R+22.0 | D+7.5 |
| 1992 | 23.4%(3,465) | 52.9%(7,818) | R+29.5 | D+17.9 |
| 1988 | 25.9%(3,130) | 73.3%(8,846) | R+47.4 | D+9.0 |
Source: Official state election returns via MIT Election Data + Science Lab
Presidential Margin Trend
Union County, OH • 1892–2024
Senate Elections
Senate Results
| Year | Democrat | Republican | Margin | Swing |
|---|---|---|---|---|
| 2024 | 37.1%(13,719) | 59.3%(21,926) | R+22.2 | D+6.3 |
| 2022 | 35.7%(9,075) | 64.3%(16,320) | R+28.5 | R+4.1 |
| 2018 | 37.8%(8,964) | 62.2%(14,747) | R+24.4 | D+27.0 |
| 2016 | 22.1%(5,976) | 73.5%(19,868) | R+51.4 | R+21.8 |
| 2012 | 32.5%(8,144) | 62.0%(15,553) | R+29.6 | D+22.2 |
| 2010 | 21.6%(3,791) | 73.4%(12,869) | R+51.8 | R+33.5 |
| 2006 | 40.9%(6,881) | 59.1%(9,950) | R+18.2 | D+40.6 |
| 2004 | 20.6%(4,534) | 79.4%(17,505) | R+58.9 | R+32.5 |
| 2000 | 31.2%(5,127) | 57.5%(9,453) | R+26.3 | D+10.0 |
| 1998 | 31.8%(3,982) | 68.2%(8,526) | R+36.3 | D+2.1 |
Source: Official state election returns via MIT Election Data + Science Lab
Governor Elections
Governor Results
| Year | Democrat | Republican | Margin | Swing |
|---|---|---|---|---|
| 2022 | 27.3%(6,918) | 72.4%(18,387) | R+45.2 | R+12.0 |
| 2018 | 31.8%(7,598) | 64.9%(15,526) | R+33.2 | D+26.6 |
| 2014 | 18.5%(2,598) | 78.3%(10,987) | R+59.8 | R+23.5 |
| 2010 | 30.0%(5,304) | 66.3%(11,739) | R+36.3 | R+30.9 |
| 2006 | 45.6%(7,689) | 51.0%(8,613) | R+5.5 | D+43.3 |
| 2002 | 22.5%(2,723) | 71.2%(8,631) | R+48.8 | R+19.3 |
| 1998 | 31.1%(3,830) | 60.6%(7,457) | R+29.5 | D+26.7 |
| 1994 | 19.9%(2,076) | 76.1%(7,939) | R+56.2 | R+24.6 |
| 1990 | 34.2%(3,448) | 65.8%(6,636) | R+31.6 | R+23.6 |
| 1986 | 46.0%(4,080) | 54.0%(4,792) | R+8.0 | D+15.2 |
Source: Official state election returns via MIT Election Data + Science Lab