Union County, Ohio
AkashicUnion County, OHTrumpR+29.6
2024 precinct map of Union CountyPrecinct-level 2024 presidential results for Union County, with each precinct boundary colored by Democratic-vs-Republican margin, and gold where an independent or third-party candidate carried the precinct.
How it voted
Share of the 2024 vote
| Donald Trump ✓Republican | 64.3% | 23,982 |
|---|---|---|
| Kamala HarrisDemocratic | 34.7% | 12,934 |
| Chase OliverIndependent | 0.6% | 241 |
Harris +50Trump +50
50 precincts · 37,301 votes. Hover any precinct for its result.
The precinct map shows the 2024 presidential vote; the timeline scrubs the county’s overall result across 1892–2024.
38 presidential elections
| Year | Won | Democratic | Republican | Other | Margin | Total |
|---|---|---|---|---|---|---|
| R | 34.7%Harris12,934 | 64.3%Trump23,982 | 0.6%Oliver241 | 37,301 | ||
| R | 33.3%Biden11,141 | 64.8%Trump21,669 | 1.6%Jorgensen535 | 33,445 | ||
| R | 27.6%Clinton7,718 | 64.7%Trump18,096 | 4.0%Johnson1,119 | 27,959 | ||
| R | 34.2%Obama8,805 | 63.2%Romney16,289 | 1.1%Johnson280 | 25,762 | ||
| R | 35.1%Obama8,761 | 63.0%McCain15,744 | 1.9%Nader479 | 24,984 | ||
| R | 29.5%Kerry6,665 | 70.1%Bush15,870 | 0.4%Other96 | 22,631 | ||
| R | 29.6%Gore5,040 | 67.6%Bush11,502 | 2.0%Nader336 | 17,024 | ||
| R | 33.3%Clinton4,989 | 55.3%Dole8,290 | 10.6%Perot1,596 | 15,003 | ||
| R | 23.4%Clinton3,465 | 52.9%Bush7,818 | 23.2%Perot3,433 | 14,777 | ||
| R | 25.9%Dukakis3,130 | 73.3%Bush8,846 | 0.8%Fulani95 | 12,071 | ||
| R | 21.5%Mondale2,579 | 77.8%Reagan9,336 | 0.7%Serrette86 | 12,001 | ||
| R | 27.2%Carter3,038 | 67.7%Reagan7,576 | 5.1%Anderson572 | 11,186 | ||
| R | 36.3%Carter4,377 | 62.0%Ford7,464 | 1.7%McCarthy202 | 12,043 | ||
| R | 22.1%McGovern2,447 | 75.9%Nixon8,389 | 2.0%Schmitz218 | 11,054 | ||
| R | 23.7%Humphrey2,431 | 62.7%Nixon6,415 | 13.6%Wallace1,392 | 10,238 | ||
| R | 47.5%Johnson4,985 | 52.5%Goldwater5,504 | 0.0% | 10,489 | ||
| R | 28.4%Kennedy3,116 | 71.6%Nixon7,838 | 0.0% | 10,954 | ||
| R | 25.9%Stevenson2,653 | 74.1%Eisenhower7,575 | 0.0% | 10,228 | ||
| R | 26.8%Stevenson2,843 | 73.2%Eisenhower7,761 | 0.0% | 10,604 | ||
| R | 34.5%Truman3,008 | 65.3%Dewey5,688 | 0.2%Thurmond17 | 8,713 | ||
| R | 29.6%Roosevelt2,907 | 70.4%Dewey6,908 | 0.0% | 9,815 | ||
| R | 35.4%Roosevelt3,947 | 64.6%Willkie7,214 | 0.0% | 11,161 | ||
| R | 47.1%Roosevelt5,157 | 51.8%Landon5,673 | 1.1%Lemke120 | 10,950 | ||
| D | 49.6%Roosevelt4,943 | 49.3%Hoover4,912 | 1.1%Thomas114 | 9,969 | ||
| R | 28.6%Smith2,386 | 70.5%Hoover5,876 | 0.8%Thomas69 | 8,331 | ||
| R | 30.7%Davis2,571 | 62.7%Coolidge5,256 | 6.6%La Follette551 | 8,378 | ||
| R | 33.3%Cox3,286 | 66.3%Harding6,544 | 0.4%Debs35 | 9,865 | ||
| R | 45.7%Wilson2,747 | 53.0%Hughes3,182 | 1.3%Benson78 | 6,007 | ||
| D | 40.7%Wilson2,362 | 35.3%Taft2,051 | 24.0%Roosevelt1,394 | 5,807 | ||
| R | 41.1%Bryan2,568 | 57.0%Taft3,567 | 1.9%Debs118 | 6,253 | ||
| R | 33.6%Parker1,924 | 63.7%Roosevelt3,646 | 2.7%Debs153 | 5,723 | ||
| R | 40.4%Bryan2,484 | 57.9%McKinley3,561 | 1.7%Woolley106 | 6,151 | ||
| R | 43.6%Bryan2,736 | 55.4%McKinley3,476 | 1.1%Palmer67 | 6,279 | ||
| R | 37.2%Cleveland2,055 | 54.3%Harrison3,001 | 8.6%Weaver475 | 5,531 | ||
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presidential history
Presidential margin, 1892–2024
Democratic minus Republican, by election
| Year | Margin (D minus R) |
|---|---|
| 1892 | −17.1% |
| 1896 | −11.8% |
| 1900 | −17.5% |
| 1904 | −30.1% |
| 1908 | −16.0% |
| 1912 | +5.4% |
| 1916 | −7.2% |
| 1920 | −33.0% |
| 1924 | −32.0% |
| 1928 | −41.9% |
| 1932 | +0.3% |
| 1936 | −4.7% |
| 1940 | −29.3% |
| 1944 | −40.8% |
| 1948 | −30.8% |
| 1952 | −46.4% |
| 1956 | −48.1% |
| 1960 | −43.1% |
| 1964 | −4.9% |
| 1968 | −38.9% |
| 1972 | −53.8% |
| 1976 | −25.6% |
| 1980 | −40.6% |
| 1984 | −56.3% |
| 1988 | −47.4% |
| 1992 | −29.5% |
| 1996 | −22.0% |
| 2000 | −38.0% |
| 2004 | −40.7% |
| 2008 | −27.9% |
| 2012 | −29.1% |
| 2016 | −37.1% |
| 2020 | −31.5% |
| 2024 | −29.6% |
DemocraticRepublican
voter registration
Registered voters
Total registered voters, over time
Registered voters
| Year | Total registered |
|---|---|
| 2016 | 36,206 |
| 2018 | 38,670 |
| 2020 | 41,432 |
| 2022 | 43,579 |
| 2024 | 47,353 |
Source: U.S. Election Assistance Commission (EAVS)
Union County sits northwest of Columbus and has absorbed significant suburban spillover growth, yet its presidential margins have remained consistently above R+25 since 2000, suggesting new residents skew toward the county's existing political profile.
Across the recorded series it reached a Democratic high of 5.4 points in 1912 and a Republican high of 56.3 points in 1984. Between 2020 and 2024 the county moved 1.9 points toward the Democratic candidate; the 2024 margin was 29.6 points.
A population of 67,324, a 85% non-Hispanic-white share, and a median household income of $112,322 describe the county. The county's voting pattern over the last decade is most similar to that of Gaston County and Hamilton County.
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All citations released under CC BY 4.0. Attribution: Akashic Intelligence.
Union County, Ohio. Akashic. https://akashic.app/county/39159/. Accessed May 20, 2026. License: CC BY 4.0.
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Cities & towns in Union County
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Frequently asked questions
How did Union County, Ohio vote in 2024?
In 2024, Union County, Ohio voted Republican by 29.6 points (R+29.6), carried by the Republican candidate. Out of 37,301 votes cast, 12,934 went Democratic and 23,982 went Republican.
When did Union County, Ohio last vote Democratic?
The most recent presidential election in which Union County, Ohio voted Democratic was 1932.
How many people live in Union County, Ohio?
Union County, Ohio has a population of 67,324 according to the 2024 American Community Survey 5-year estimates from the US Census Bureau.
What is the median household income in Union County, Ohio?
Median household income in Union County, Ohio is $112,322 — above the national median of $80,734. The Ohio state median is $71,389.
What is the political history of Union County, Ohio?
Akashic tracks 38 presidential elections in Union County, Ohio from 1876 to 2024. Of those, 2 went Democratic and 32 went Republican.