Union County, Indiana
Precinct data
Results by precinct
20 precincts · 3,500 votes
Precinct boundaries and identifiers are cycle-specific. This table does not join rows across years without a validated crosswalk.
| Precinct -CENTERCENTER | 218 | 818 | 18 | 1,054 | 20.7% | 77.6% | R+56.9 |
|---|---|---|---|---|---|---|---|
| Precinct -LIBERTYLIBERTY | 121 | 444 | 5 | 570 | 21.2% | 77.9% | R+56.7 |
| Precinct -UNIONUNION | 83 | 370 | 7 | 460 | 18.0% | 80.4% | R+62.4 |
| Precinct -BROWNSVILLEBROWNSVILLE | 74 | 313 | 7 | 394 | 18.8% | 79.4% | R+60.7 |
| Precinct -CENTER 3CENTER 3 | 79 | 202 | 9 | 290 | 27.2% | 69.7% | R+42.4 |
| Precinct -HARMONYHARMONY | 57 | 224 | 2 | 283 | 20.1% | 79.2% | R+59.0 |
| Precinct -HARRISONHARRISON | 38 | 184 | 3 | 225 | 16.9% | 81.8% | R+64.9 |
| Precinct -WEST COLLEGE CORNERWEST COLLEGE CORNER | 76 | 143 | 5 | 224 | 33.9% | 63.8% | R+29.9 |
| BROWNSVILLE18_1816100010 | 0 | 0 | 0 | 0 | — | — | Even |
| CENTER18_1816100040 | 0 | 0 | 0 | 0 | — | — | Even |
| CENTER 0118_1816100050 | 0 | 0 | 0 | 0 | — | — | Even |
| CENTER 0218_1816100060 | 0 | 0 | 0 | 0 | — | — | Even |
| CENTER 0318_1816100070 | 0 | 0 | 0 | 0 | — | — | Even |
| HARMONY18_1816100080 | 0 | 0 | 0 | 0 | — | — | Even |
| HARRISON18_1816100020 | 0 | 0 | 0 | 0 | — | — | Even |
| LIBERTY18_1816100030 | 0 | 0 | 0 | 0 | — | — | Even |
| Precinct -CENTER 1CENTER 1 | 0 | 0 | 0 | 0 | — | — | Even |
| Precinct -CENTER 2CENTER 2 | 0 | 0 | 0 | 0 | — | — | Even |
| UNION18_1816100090 | 0 | 0 | 0 | 0 | — | — | Even |
| WEST COLLEGE CORNER18_1816100100 | 0 | 0 | 0 | 0 | — | — | Even |
Presidential margin, 1892–2024
Democratic minus Republican, by election
| Year | Margin (D minus R) |
|---|---|
| 1892 | −7.5% |
| 1896 | −9.8% |
| 1900 | −8.1% |
| 1904 | −19.8% |
| 1908 | −13.1% |
| 1912 | +3.2% |
| 1916 | −9.1% |
| 1920 | −17.9% |
| 1924 | −19.2% |
| 1928 | −32.4% |
| 1932 | −2.2% |
| 1936 | +1.0% |
| 1940 | −17.3% |
| 1944 | −26.6% |
| 1948 | −27.6% |
| 1952 | −35.2% |
| 1956 | −27.2% |
| 1960 | −27.7% |
| 1964 | −2.3% |
| 1968 | −25.5% |
| 1972 | −45.4% |
| 1976 | −16.8% |
| 1980 | −31.2% |
| 1984 | −41.2% |
| 1988 | −31.3% |
| 1992 | −16.7% |
| 1996 | −11.5% |
| 2000 | −32.2% |
| 2004 | −36.5% |
| 2008 | −25.0% |
| 2012 | −32.3% |
| 2016 | −52.2% |
| 2020 | −56.0% |
| 2024 | −55.9% |
U.S. Senate
Registered voters
Total registered voters, over time
| Year | Total registered |
|---|---|
| 2016 | 5,890 |
| 2018 | 5,218 |
| 2020 | 5,205 |
| 2022 | 4,994 |
| 2024 | 5,041 |
Who moves in and out
Net migration over time, and who arrivals are — where they came from and what those places vote
−39 net domestic migration · 2025
Net −519 over 2011–2025 · gain loss
Arrivals reported $51,984 in average income, against $70,266 for residents who stayed — 26% lower. (IRS SOI, 2022–23)
The places arrivals came from lean R+42.0 on average — 14 points more Democratic-leaning than Union County, IN itself (R+55.9).
Where arrivals came from lean of each source
- Butler County, OH43R+26.3
- Wayne County, IN31R+32.4
- Fayette County, IN30R+56.3
- Franklin County, IN24R+64.4
Where departures went households, 2022–23
- Butler County, OH40
- Wayne County, IN35
- Fayette County, IN29
Migration is one input to a place’s political change, not its cause — a shift can also come from residents changing their minds, generational turnover, or turnout. These figures describe the places people moved between; they do not measure how any mover voted.
| Year | Net domestic migration |
|---|---|
| 2011 | −48 |
| 2012 | −160 |
| 2013 | −32 |
| 2014 | −57 |
| 2015 | −55 |
| 2016 | −32 |
| 2017 | +38 |
| 2018 | −114 |
| 2019 | +37 |
| 2021 | −31 |
| 2022 | −31 |
| 2023 | +31 |
| 2024 | −26 |
| 2025 | −39 |
Union County's 2024 presidential margin of R+55.9 reflects a pattern common to rural southeastern Indiana micro-counties, where low population density and agricultural economies correlate with heavily skewed partisan outcomes.
Across the recorded series it reached a Democratic high of 3.2 points in 1912 and a Republican high of 56.0 points in 2020. The 2024 margin was 55.9 points.
A population of 6,985, a 95% non-Hispanic-white share, and a median household income of $76,424 describe the county. The county's voting pattern over the last decade is most similar to that of Morgan County and Cumberland County.
The counties whose fingerprint — 2000–2024 trajectory, demographics, ancestry, religion — sits closest to this one, and why.
Twin score (0–100) = weighted cosine between tier-standardized fingerprints: presidential margins 2000–2024 with 12-yr trend and elasticity, ACS income, age, education, population and race, top reported ancestries, and religious adherence — chips name the closest-shared dimensions and the widest gap. Re-weight the groups in the twins explorer.
Browse places by community — income, education, race & ethnicity, language — all community cuts →
Compare two places, side by side
Twelve curated comparisons line up election history, demographics, and the divergence story for two places at a glance. Browse all comparisons →
Union County, Indiana. Akashic. https://akashic.app/county/18161/. Accessed May 20, 2026. License: CC BY 4.0.