Warren County, Illinois
AkashicWarren County, ILTrumpR+25.1
2024 precinct map of Warren CountyPrecinct-level 2024 presidential results for Warren 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 | 61.5% | 4,579 |
|---|---|---|
| Kamala HarrisDemocratic | 36.4% | 2,711 |
| Robert F Kennedy Jr.Independent | 1.9% | 142 |
Harris +50Trump +50
28 precincts · 7,447 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 | 36.4%Harris2,711 | 61.5%Trump4,579 | 1.9%Kennedy142 | 7,447 | ||
| R | 39.0%Biden3,090 | 59.0%Trump4,676 | 1.2%Jorgensen99 | 7,924 | ||
| R | 38.3%Clinton2,987 | 54.8%Trump4,275 | 4.6%Johnson359 | 7,807 | ||
| D | 51.7%Obama4,044 | 46.3%Romney3,618 | 1.1%JOHNSON87 | 7,818 | ||
| D | 53.4%Obama4,286 | 45.3%McCain3,637 | 1.3%Nader106 | 8,029 | ||
| R | 46.6%Kerry3,938 | 52.9%Bush4,474 | 0.5%Badnarik45 | 8,457 | ||
| R | 46.2%Gore3,524 | 51.1%Bush3,899 | 1.7%Nader130 | 7,631 | ||
| D | 48.3%Clinton3,500 | 41.0%Dole2,974 | 10.2%Perot742 | 7,250 | ||
| D | 43.3%Clinton3,661 | 39.4%Bush3,325 | 17.0%Perot1,436 | 8,446 | ||
| R | 43.8%Dukakis3,617 | 55.5%Bush4,584 | 0.6%Paul53 | 8,254 | ||
| R | 36.1%Mondale3,318 | 63.6%Reagan5,846 | 0.3%Bergland29 | 9,193 | ||
| R | 30.4%Carter2,756 | 62.5%Reagan5,667 | 7.1%Anderson648 | 9,071 | ||
| R | 38.8%Carter3,808 | 59.3%Ford5,822 | 2.0%McCarthy196 | 9,826 | ||
| R | 29.7%McGovern2,969 | 70.2%Nixon7,021 | 0.2%Schmitz18 | 10,008 | ||
| R | 31.5%Humphrey3,085 | 60.0%Nixon5,877 | 8.5%Wallace833 | 9,795 | ||
| R | 47.0%Johnson4,670 | 52.9%Goldwater5,258 | 0.0%Hass3 | 9,931 | ||
| R | 34.7%Kennedy3,835 | 65.3%Nixon7,221 | 0.1%Byrd10 | 11,066 | ||
| R | 28.3%Stevenson2,996 | 71.6%Eisenhower7,580 | 0.1%Andrews6 | 10,582 | ||
| R | 27.0%Stevenson2,973 | 72.9%Eisenhower8,020 | 0.1%Hallinan11 | 11,004 | ||
| R | 33.1%Truman3,367 | 66.2%Dewey6,738 | 0.7%Thurmond74 | 10,179 | ||
| R | 35.5%Roosevelt3,926 | 64.1%Dewey7,085 | 0.4%Thomas39 | 11,050 | ||
| R | 38.3%Roosevelt4,878 | 61.2%Willkie7,790 | 0.5%Thomas67 | 12,735 | ||
| R | 43.4%Roosevelt5,409 | 55.5%Landon6,919 | 1.1%Lemke137 | 12,465 | ||
| D | 49.8%Roosevelt5,610 | 48.8%Hoover5,498 | 1.3%Thomas150 | 11,258 | ||
| R | 24.9%Smith2,681 | 73.6%Hoover7,915 | 1.5%Thomas157 | 10,753 | ||
| R | 23.0%Davis2,440 | 65.1%Coolidge6,912 | 12.0%La Follette1,271 | 10,623 | ||
| R | 24.6%Cox2,236 | 69.4%Harding6,309 | 6.0%Debs545 | 9,090 | ||
| R | 40.4%Wilson4,498 | 56.5%Hughes6,294 | 3.2%Benson353 | 11,145 | ||
| O | 34.9%Wilson2,080 | 15.3%Taft915 | 49.8%Roosevelt2,971 | 5,966 | ||
| R | 38.4%Bryan2,327 | 54.1%Taft3,283 | 7.5%Debs456 | 6,066 | ||
| R | 26.8%Parker1,559 | 61.3%Roosevelt3,563 | 11.8%Debs686 | 5,808 | ||
| R | 39.4%Bryan2,501 | 57.0%McKinley3,618 | 3.7%Woolley232 | 6,351 | ||
| R | 42.4%Bryan2,604 | 55.2%McKinley3,394 | 2.4%Palmer146 | 6,144 | ||
| R | 42.7%Cleveland2,294 | 50.7%Harrison2,725 | 6.6%Weaver357 | 5,376 | ||
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presidential history
Presidential margin, 1892–2024
Democratic minus Republican, by election
| Year | Margin (D minus R) |
|---|---|
| 1892 | −8.0% |
| 1896 | −12.9% |
| 1900 | −17.6% |
| 1904 | −34.5% |
| 1908 | −15.8% |
| 1912 | +19.5% |
| 1916 | −16.1% |
| 1920 | −44.8% |
| 1924 | −42.1% |
| 1928 | −48.7% |
| 1932 | +1.0% |
| 1936 | −12.1% |
| 1940 | −22.9% |
| 1944 | −28.6% |
| 1948 | −33.1% |
| 1952 | −45.9% |
| 1956 | −43.3% |
| 1960 | −30.6% |
| 1964 | −5.9% |
| 1968 | −28.5% |
| 1972 | −40.5% |
| 1976 | −20.5% |
| 1980 | −32.1% |
| 1984 | −27.5% |
| 1988 | −11.7% |
| 1992 | +4.0% |
| 1996 | +7.3% |
| 2000 | −4.9% |
| 2004 | −6.3% |
| 2008 | +8.1% |
| 2012 | +5.4% |
| 2016 | −16.5% |
| 2020 | −20.0% |
| 2024 | −25.1% |
DemocraticRepublican
voter registration
Registered voters
Total registered voters, over time
Registered voters
| Year | Total registered |
|---|---|
| 2016 | 12,457 |
| 2018 | 11,814 |
| 2020 | 12,159 |
| 2022 | 12,054 |
| 2024 | 11,011 |
Source: U.S. Election Assistance Commission (EAVS)
Warren County's population has declined steadily as agriculture consolidates, leaving a smaller, older, and more reliably Republican electorate. In 2024 the GOP presidential margin reached 25 points, up sharply from the single-digit gaps of two decades ago.
Across the recorded series it reached a Democratic high of 19.5 points in 1912 and a Republican high of 48.7 points in 1928. Between 2020 and 2024 the county moved 5.1 points toward the Republican candidate; the 2024 margin was 25.1 points.
A population of 16,447, a 81% non-Hispanic-white share, and a median household income of $67,385 describe the county. The county's voting pattern over the last decade is most similar to that of Shiawassee County and Juneau County.
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All citations released under CC BY 4.0. Attribution: Akashic Intelligence.
Warren County, Illinois. Akashic. https://akashic.app/county/17187/. Accessed May 20, 2026. License: CC BY 4.0.
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Cities & towns in Warren County
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Frequently asked questions
How did Warren County, Illinois vote in 2024?
In 2024, Warren County, Illinois voted Republican by 25.1 points (R+25.1), carried by the Republican candidate. Out of 7,447 votes cast, 2,711 went Democratic and 4,579 went Republican.
When did Warren County, Illinois last vote Democratic?
The most recent presidential election in which Warren County, Illinois voted Democratic was 2012.
How many people live in Warren County, Illinois?
Warren County, Illinois has a population of 16,447 according to the 2024 American Community Survey 5-year estimates from the US Census Bureau.
What is the median household income in Warren County, Illinois?
Median household income in Warren County, Illinois is $67,385 — below the national median of $80,734. The Illinois state median is $83,390.
What is the political history of Warren County, Illinois?
Akashic tracks 38 presidential elections in Warren County, Illinois from 1876 to 2024. Of those, 5 went Democratic and 28 went Republican.