Brown County, Illinois
AkashicBrown County, ILTrumpR+59.9
2024 precinct map of Brown CountyPrecinct-level 2024 presidential results for Brown 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 | 78.9% | 1,938 |
|---|---|---|
| Kamala HarrisDemocratic | 19.0% | 467 |
| Robert F Kennedy Jr.Independent | 2.0% | 50 |
Harris +50Trump +50
14 precincts · 2,455 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 | 19.0%Harris467 | 78.9%Trump1,938 | 2.0%Kennedy50 | 2,455 | ||
| R | 19.2%Biden486 | 76.5%Trump1,931 | 1.9%Jorgensen47 | 2,525 | ||
| R | 20.0%Clinton476 | 75.5%Trump1,796 | 3.2%Johnson77 | 2,379 | ||
| R | 33.3%Obama787 | 64.0%Romney1,513 | 1.7%JOHNSON40 | 2,364 | ||
| R | 38.4%Obama986 | 60.1%McCain1,544 | 1.5%Nader39 | 2,569 | ||
| R | 34.6%Kerry895 | 65.0%Bush1,679 | 0.4%Badnarik11 | 2,585 | ||
| R | 40.5%Gore1,077 | 57.5%Bush1,529 | 1.1%Nader29 | 2,660 | ||
| R | 43.4%Clinton997 | 45.8%Dole1,053 | 10.3%Perot237 | 2,297 | ||
| D | 42.6%Clinton1,146 | 38.3%Bush1,029 | 18.7%Perot504 | 2,689 | ||
| R | 47.9%Dukakis1,267 | 51.9%Bush1,373 | 0.2%Paul6 | 2,646 | ||
| R | 39.2%Mondale959 | 60.4%Reagan1,478 | 0.4%Bergland9 | 2,446 | ||
| R | 35.3%Carter950 | 61.7%Reagan1,660 | 3.0%Anderson82 | 2,692 | ||
| D | 49.4%Carter1,533 | 49.0%Ford1,519 | 1.6%McCarthy51 | 3,103 | ||
| R | 39.8%McGovern1,203 | 58.9%Nixon1,780 | 1.3%Schmitz39 | 3,022 | ||
| R | 40.0%Humphrey1,265 | 51.5%Nixon1,629 | 8.5%Wallace269 | 3,163 | ||
| D | 60.6%Johnson2,083 | 39.4%Goldwater1,355 | 0.0% | 3,438 | ||
| R | 49.4%Kennedy1,849 | 50.5%Nixon1,889 | 0.1%Byrd2 | 3,740 | ||
| R | 46.3%Stevenson1,748 | 53.7%Eisenhower2,026 | 0.0%Andrews1 | 3,775 | ||
| R | 42.1%Stevenson1,557 | 57.8%Eisenhower2,137 | 0.1%Hallinan5 | 3,699 | ||
| D | 53.3%Truman1,805 | 46.1%Dewey1,562 | 0.6%Thurmond22 | 3,389 | ||
| D | 51.3%Roosevelt1,849 | 48.2%Dewey1,738 | 0.6%Thomas20 | 3,607 | ||
| D | 53.3%Roosevelt2,478 | 45.2%Willkie2,101 | 1.5%Thomas69 | 4,648 | ||
| D | 63.2%Roosevelt2,873 | 35.0%Landon1,591 | 1.9%Lemke85 | 4,549 | ||
| D | 70.7%Roosevelt2,822 | 28.8%Hoover1,148 | 0.6%Thomas23 | 3,993 | ||
| R | 44.8%Smith1,867 | 55.0%Hoover2,289 | 0.2%Thomas9 | 4,165 | ||
| D | 54.5%Davis2,149 | 41.5%Coolidge1,637 | 4.1%La Follette160 | 3,946 | ||
| D | 52.9%Cox1,866 | 45.1%Harding1,590 | 2.0%Debs71 | 3,527 | ||
| D | 62.5%Wilson2,856 | 34.5%Hughes1,579 | 3.0%Benson137 | 4,572 | ||
| D | 58.7%Wilson1,358 | 16.5%Taft381 | 24.8%Roosevelt573 | 2,312 | ||
| D | 60.9%Bryan1,609 | 35.8%Taft947 | 3.3%Debs87 | 2,643 | ||
| D | 54.7%Parker1,341 | 38.1%Roosevelt934 | 7.2%Debs177 | 2,452 | ||
| D | 65.5%Bryan1,968 | 32.9%McKinley988 | 1.6%Woolley49 | 3,005 | ||
| D | 66.2%Bryan2,063 | 32.9%McKinley1,024 | 1.0%Palmer30 | 3,117 | ||
| D | 55.1%Cleveland1,567 | 30.9%Harrison879 | 14.1%Weaver400 | 2,846 | ||
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presidential history
Presidential margin, 1892–2024
Democratic minus Republican, by election
| Year | Margin (D minus R) |
|---|---|
| 1892 | +24.2% |
| 1896 | +33.3% |
| 1900 | +32.6% |
| 1904 | +16.6% |
| 1908 | +25.0% |
| 1912 | +42.3% |
| 1916 | +27.9% |
| 1920 | +7.8% |
| 1924 | +13.0% |
| 1928 | −10.1% |
| 1932 | +41.9% |
| 1936 | +28.2% |
| 1940 | +8.1% |
| 1944 | +3.1% |
| 1948 | +7.2% |
| 1952 | −15.7% |
| 1956 | −7.4% |
| 1960 | −1.1% |
| 1964 | +21.2% |
| 1968 | −11.5% |
| 1972 | −19.1% |
| 1976 | +0.5% |
| 1980 | −26.4% |
| 1984 | −21.2% |
| 1988 | −4.0% |
| 1992 | +4.4% |
| 1996 | −2.4% |
| 2000 | −17.0% |
| 2004 | −30.3% |
| 2008 | −21.7% |
| 2012 | −30.7% |
| 2016 | −55.5% |
| 2020 | −57.2% |
| 2024 | −59.9% |
DemocraticRepublican
voter registration
Registered voters
Total registered voters, over time
Registered voters
| Year | Total registered |
|---|---|
| 2016 | 3,769 |
| 2018 | 3,509 |
| 2020 | 3,574 |
| 2022 | 3,437 |
| 2024 | 3,274 |
Source: U.S. Election Assistance Commission (EAVS)
Brown County's rural, sparsely populated landscape has produced some of the widest presidential margins in the state, with fewer than 7,000 residents concentrated in small towns and farmland along the Illinois River bluffs.
Across the recorded series it reached a Democratic high of 42.3 points in 1912 and a Republican high of 59.9 points in 2024. Between 2020 and 2024 the county moved 2.7 points toward the Republican candidate; the 2024 margin was 59.9 points.
A population of 6,322, a 74% non-Hispanic-white share, and a median household income of $67,917 describe the county. The county's voting pattern over the last decade is most similar to that of Cherokee County and Dallas 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 →
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All citations released under CC BY 4.0. Attribution: Akashic Intelligence.
Brown County, Illinois. Akashic. https://akashic.app/county/17009/. Accessed May 20, 2026. License: CC BY 4.0.
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Frequently asked questions
How did Brown County, Illinois vote in 2024?
In 2024, Brown County, Illinois voted Republican by 59.9 points (R+59.9), carried by the Republican candidate. Out of 2,455 votes cast, 467 went Democratic and 1,938 went Republican.
When did Brown County, Illinois last vote Democratic?
The most recent presidential election in which Brown County, Illinois voted Democratic was 1992.
How many people live in Brown County, Illinois?
Brown County, Illinois has a population of 6,322 according to the 2024 American Community Survey 5-year estimates from the US Census Bureau.
What is the median household income in Brown County, Illinois?
Median household income in Brown County, Illinois is $67,917 — below the national median of $80,734. The Illinois state median is $83,390.
What is the political history of Brown County, Illinois?
Akashic tracks 38 presidential elections in Brown County, Illinois from 1876 to 2024. Of those, 17 went Democratic and 17 went Republican.