Union County, Illinois
AkashicUnion County, ILTrumpR+43.2
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 | 71.0% | 5,837 |
|---|---|---|
| Kamala HarrisDemocratic | 27.8% | 2,285 |
| Robert F Kennedy Jr.Independent | 1.2% | 102 |
Harris +50Trump +50
20 precincts · 8,226 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 | 27.8%Harris2,285 | 71.0%Trump5,837 | 1.2%Kennedy102 | 8,226 | ||
| R | 29.0%Biden2,579 | 69.2%Trump6,161 | 1.0%Jorgensen89 | 8,904 | ||
| R | 27.9%Clinton2,402 | 67.2%Trump5,790 | 2.5%Johnson219 | 8,616 | ||
| R | 37.7%Obama3,137 | 59.6%Romney4,957 | 1.2%JOHNSON99 | 8,318 | ||
| R | 43.0%Obama3,918 | 54.9%McCain5,003 | 2.1%Nader195 | 9,116 | ||
| R | 41.0%Kerry3,735 | 58.5%Bush5,333 | 0.6%Badnarik51 | 9,119 | ||
| R | 46.0%Gore3,982 | 50.8%Bush4,397 | 2.2%Nader189 | 8,660 | ||
| D | 51.3%Clinton4,252 | 38.0%Dole3,147 | 10.0%Perot832 | 8,282 | ||
| D | 51.5%Clinton4,681 | 33.1%Bush3,003 | 15.1%Perot1,373 | 9,083 | ||
| R | 49.5%Dukakis4,197 | 50.1%Bush4,244 | 0.4%Paul38 | 8,479 | ||
| R | 44.5%Mondale3,815 | 55.1%Reagan4,721 | 0.3%Bergland28 | 8,564 | ||
| R | 44.8%Carter3,781 | 50.8%Reagan4,289 | 4.4%Anderson371 | 8,441 | ||
| D | 58.3%Carter5,003 | 41.2%Ford3,531 | 0.5%McCarthy44 | 8,578 | ||
| R | 40.4%McGovern3,428 | 59.4%Nixon5,034 | 0.2%Schmitz18 | 8,480 | ||
| R | 43.0%Humphrey3,603 | 46.5%Nixon3,889 | 10.5%Wallace880 | 8,372 | ||
| D | 62.4%Johnson5,208 | 37.6%Goldwater3,142 | 0.0% | 8,350 | ||
| R | 49.3%Kennedy4,321 | 50.6%Nixon4,432 | 0.1%Byrd10 | 8,763 | ||
| D | 50.9%Stevenson4,359 | 49.1%Eisenhower4,204 | 0.1%Andrews6 | 8,569 | ||
| R | 47.9%Stevenson4,296 | 52.0%Eisenhower4,658 | 0.1%Hallinan9 | 8,963 | ||
| D | 53.3%Truman4,479 | 46.0%Dewey3,864 | 0.7%Thurmond55 | 8,398 | ||
| D | 51.2%Roosevelt4,367 | 48.2%Dewey4,114 | 0.5%Thomas46 | 8,527 | ||
| D | 53.7%Roosevelt5,804 | 45.5%Willkie4,915 | 0.8%Thomas81 | 10,800 | ||
| D | 59.8%Roosevelt6,260 | 39.8%Landon4,165 | 0.3%Lemke36 | 10,461 | ||
| D | 67.8%Roosevelt6,157 | 31.5%Hoover2,859 | 0.8%Thomas69 | 9,085 | ||
| D | 55.1%Smith4,149 | 44.5%Hoover3,352 | 0.4%Thomas29 | 7,530 | ||
| D | 57.4%Davis3,783 | 39.2%Coolidge2,579 | 3.4%La Follette224 | 6,586 | ||
| D | 53.5%Cox3,660 | 45.6%Harding3,119 | 1.0%Debs68 | 6,847 | ||
| D | 61.3%Wilson5,171 | 37.1%Hughes3,135 | 1.6%Benson134 | 8,440 | ||
| D | 60.4%Wilson2,648 | 27.2%Taft1,194 | 12.4%Roosevelt545 | 4,387 | ||
| D | 59.4%Bryan2,690 | 37.4%Taft1,695 | 3.2%Debs144 | 4,529 | ||
| D | 50.6%Parker1,967 | 39.5%Roosevelt1,537 | 9.9%Debs383 | 3,887 | ||
| D | 62.4%Bryan2,900 | 36.5%McKinley1,695 | 1.1%Woolley50 | 4,645 | ||
| D | 61.3%Bryan2,998 | 37.7%McKinley1,842 | 1.1%Palmer52 | 4,892 | ||
| D | 63.4%Cleveland2,663 | 34.0%Harrison1,427 | 2.7%Weaver112 | 4,202 | ||
| — | — | — | — | — | ||
| — | — | — | — | — | ||
| — | — | — | — | — | ||
| — | — | — | — | — |
presidential history
Presidential margin, 1892–2024
Democratic minus Republican, by election
| Year | Margin (D minus R) |
|---|---|
| 1892 | +29.4% |
| 1896 | +23.6% |
| 1900 | +25.9% |
| 1904 | +11.1% |
| 1908 | +22.0% |
| 1912 | +33.1% |
| 1916 | +24.1% |
| 1920 | +7.9% |
| 1924 | +18.3% |
| 1928 | +10.6% |
| 1932 | +36.3% |
| 1936 | +20.0% |
| 1940 | +8.2% |
| 1944 | +3.0% |
| 1948 | +7.3% |
| 1952 | −4.0% |
| 1956 | +1.8% |
| 1960 | −1.3% |
| 1964 | +24.7% |
| 1968 | −3.4% |
| 1972 | −18.9% |
| 1976 | +17.2% |
| 1980 | −6.0% |
| 1984 | −10.6% |
| 1988 | −0.6% |
| 1992 | +18.5% |
| 1996 | +13.3% |
| 2000 | −4.8% |
| 2004 | −17.5% |
| 2008 | −11.9% |
| 2012 | −21.9% |
| 2016 | −39.3% |
| 2020 | −40.2% |
| 2024 | −43.2% |
DemocraticRepublican
voter registration
Registered voters
Total registered voters, over time
Registered voters
| Year | Total registered |
|---|---|
| 2016 | 14,982 |
| 2018 | 13,191 |
| 2020 | 12,907 |
| 2022 | 11,889 |
| 2024 | 13,563 |
Source: U.S. Election Assistance Commission (EAVS)
Union County sits in Illinois's rugged southern tip, where the Shawnee National Forest dominates the landscape and a dwindling rural population has shifted presidential margins decisively rightward over the past two decades, reaching R+43.2 in 2024.
Across the recorded series it reached a Democratic high of 36.3 points in 1932 and a Republican high of 43.2 points in 2024. Between 2020 and 2024 the county moved 3.0 points toward the Republican candidate; the 2024 margin was 43.2 points.
A population of 16,997, a 90% non-Hispanic-white share, and a median household income of $55,728 describe the county. The county's voting pattern over the last decade is most similar to that of Hardin County and Henry County.
Most similar counties
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 →
Cite this page
All citations released under CC BY 4.0. Attribution: Akashic Intelligence.
Union County, Illinois. Akashic. https://akashic.app/county/17181/. Accessed May 20, 2026. License: CC BY 4.0.
License: CC BY 4.0
Embed this page
A live widget for your site — no API key, attribution built in, CC BY 4.0. All widgets & sizes →
Illinois at the ballot boxAll elections →
Frequently asked questions
How did Union County, Illinois vote in 2024?
In 2024, Union County, Illinois voted Republican by 43.2 points (R+43.2), carried by the Republican candidate. Out of 8,226 votes cast, 2,285 went Democratic and 5,837 went Republican.
When did Union County, Illinois last vote Democratic?
The most recent presidential election in which Union County, Illinois voted Democratic was 1996.
How many people live in Union County, Illinois?
Union County, Illinois has a population of 16,997 according to the 2024 American Community Survey 5-year estimates from the US Census Bureau.
What is the median household income in Union County, Illinois?
Median household income in Union County, Illinois is $55,728 — below the national median of $80,734. The Illinois state median is $83,390.
What is the political history of Union County, Illinois?
Akashic tracks 38 presidential elections in Union County, Illinois from 1876 to 2024. Of those, 20 went Democratic and 14 went Republican.