Iroquois County, Illinois
AkashicIroquois County, ILTrumpR+57.3
2024 precinct map of Iroquois CountyPrecinct-level 2024 presidential results for Iroquois 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 | 77.9% | 10,376 |
|---|---|---|
| Kamala HarrisDemocratic | 20.6% | 2,747 |
| Robert F Kennedy Jr.Independent | 1.4% | 184 |
Harris +50Trump +50
37 precincts · 13,324 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 | 20.6%Harris2,747 | 77.9%Trump10,376 | 1.4%Kennedy184 | 13,324 | ||
| R | 20.7%Biden2,908 | 77.5%Trump10,877 | 1.0%Jorgensen147 | 14,043 | ||
| R | 19.1%Clinton2,504 | 74.4%Trump9,750 | 4.2%Johnson554 | 13,102 | ||
| R | 26.6%Obama3,413 | 71.2%Romney9,120 | 1.4%JOHNSON173 | 12,811 | ||
| R | 34.1%Obama4,643 | 64.0%McCain8,695 | 1.9%Nader258 | 13,596 | ||
| R | 27.7%Kerry3,832 | 71.7%Bush9,914 | 0.6%Badnarik89 | 13,835 | ||
| R | 32.8%Gore4,397 | 64.7%Bush8,685 | 1.7%Nader229 | 13,424 | ||
| R | 35.8%Clinton4,559 | 51.5%Dole6,564 | 11.9%Perot1,522 | 12,737 | ||
| R | 30.6%Clinton4,440 | 47.8%Bush6,948 | 21.1%Perot3,073 | 14,530 | ||
| R | 30.4%Dukakis4,221 | 69.1%Bush9,596 | 0.5%Paul69 | 13,886 | ||
| R | 22.5%Mondale3,300 | 77.1%Reagan11,327 | 0.4%Bergland58 | 14,685 | ||
| R | 21.9%Carter3,362 | 73.4%Reagan11,247 | 4.7%Anderson718 | 15,327 | ||
| R | 33.4%Carter5,167 | 65.4%Ford10,129 | 1.2%McCarthy185 | 15,481 | ||
| R | 23.6%McGovern3,723 | 76.0%Nixon11,995 | 0.4%Schmitz66 | 15,784 | ||
| R | 24.3%Humphrey3,897 | 67.9%Nixon10,885 | 7.8%Wallace1,251 | 16,033 | ||
| R | 42.7%Johnson7,029 | 57.3%Goldwater9,423 | 0.0% | 16,452 | ||
| R | 33.8%Kennedy5,821 | 66.1%Nixon11,376 | 0.1%Byrd16 | 17,213 | ||
| R | 27.0%Stevenson4,487 | 72.9%Eisenhower12,104 | 0.1%Andrews18 | 16,609 | ||
| R | 27.1%Stevenson4,634 | 72.8%Eisenhower12,456 | 0.1%Hallinan17 | 17,107 | ||
| R | 34.4%Truman4,823 | 64.6%Dewey9,051 | 0.9%Thurmond127 | 14,001 | ||
| R | 33.0%Roosevelt5,168 | 66.4%Dewey10,389 | 0.6%Thomas91 | 15,648 | ||
| R | 38.7%Roosevelt7,036 | 60.7%Willkie11,047 | 0.6%Thomas108 | 18,191 | ||
| D | 50.4%Roosevelt8,654 | 46.0%Landon7,908 | 3.6%Lemke611 | 17,173 | ||
| D | 59.3%Roosevelt9,434 | 39.6%Hoover6,303 | 1.0%Thomas161 | 15,898 | ||
| R | 38.9%Smith5,421 | 60.7%Hoover8,453 | 0.4%Thomas49 | 13,923 | ||
| R | 19.7%Davis2,303 | 64.1%Coolidge7,498 | 16.2%La Follette1,901 | 11,702 | ||
| R | 20.6%Cox2,429 | 77.8%Harding9,186 | 1.6%Debs194 | 11,809 | ||
| R | 35.8%Wilson4,977 | 61.1%Hughes8,503 | 3.1%Benson429 | 13,909 | ||
| O | 32.9%Wilson2,474 | 24.8%Taft1,866 | 42.3%Roosevelt3,176 | 7,516 | ||
| R | 36.0%Bryan2,966 | 58.9%Taft4,855 | 5.1%Debs416 | 8,237 | ||
| R | 29.3%Parker2,376 | 62.4%Roosevelt5,067 | 8.3%Debs672 | 8,115 | ||
| R | 40.2%Bryan3,736 | 56.4%McKinley5,243 | 3.4%Woolley318 | 9,297 | ||
| R | 39.9%Bryan3,658 | 58.0%McKinley5,325 | 2.1%Palmer196 | 9,179 | ||
| R | 46.9%Cleveland3,848 | 47.9%Harrison3,936 | 5.2%Weaver425 | 8,209 | ||
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presidential history
Presidential margin, 1892–2024
Democratic minus Republican, by election
| Year | Margin (D minus R) |
|---|---|
| 1892 | −1.1% |
| 1896 | −18.2% |
| 1900 | −16.2% |
| 1904 | −33.2% |
| 1908 | −22.9% |
| 1912 | +8.1% |
| 1916 | −25.4% |
| 1920 | −57.2% |
| 1924 | −44.4% |
| 1928 | −21.8% |
| 1932 | +19.7% |
| 1936 | +4.3% |
| 1940 | −22.0% |
| 1944 | −33.4% |
| 1948 | −30.2% |
| 1952 | −45.7% |
| 1956 | −45.9% |
| 1960 | −32.3% |
| 1964 | −14.6% |
| 1968 | −43.6% |
| 1972 | −52.4% |
| 1976 | −32.1% |
| 1980 | −51.4% |
| 1984 | −54.7% |
| 1988 | −38.7% |
| 1992 | −17.3% |
| 1996 | −15.7% |
| 2000 | −31.9% |
| 2004 | −44.0% |
| 2008 | −29.8% |
| 2012 | −44.5% |
| 2016 | −55.3% |
| 2020 | −56.7% |
| 2024 | −57.3% |
DemocraticRepublican
voter registration
Registered voters
Total registered voters, over time
Registered voters
| Year | Total registered |
|---|---|
| 2016 | 19,596 |
| 2018 | 18,585 |
| 2020 | 18,403 |
| 2022 | 18,837 |
| 2024 | 19,017 |
Source: U.S. Election Assistance Commission (EAVS)
Iroquois County, a flat agricultural expanse in east-central Illinois, delivered a 57-point Republican presidential margin in 2024 — among the widest gaps in a state whose statewide results lean heavily the other direction.
Across the recorded series it reached a Democratic high of 19.7 points in 1932 and a Republican high of 57.3 points in 2024. Between 2020 and 2024 the county moved 0.5 points toward the Republican candidate; the 2024 margin was 57.3 points.
A population of 26,449, a 87% non-Hispanic-white share, and a median household income of $66,255 describe the county. The county's voting pattern over the last decade is most similar to that of Ford County and Whitley County.
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All citations released under CC BY 4.0. Attribution: Akashic Intelligence.
Iroquois County, Illinois. Akashic. https://akashic.app/county/17075/. Accessed May 20, 2026. License: CC BY 4.0.
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Frequently asked questions
How did Iroquois County, Illinois vote in 2024?
In 2024, Iroquois County, Illinois voted Republican by 57.3 points (R+57.3), carried by the Republican candidate. Out of 13,324 votes cast, 2,747 went Democratic and 10,376 went Republican.
When did Iroquois County, Illinois last vote Democratic?
The most recent presidential election in which Iroquois County, Illinois voted Democratic was 1936.
How many people live in Iroquois County, Illinois?
Iroquois County, Illinois has a population of 26,449 according to the 2024 American Community Survey 5-year estimates from the US Census Bureau.
What is the median household income in Iroquois County, Illinois?
Median household income in Iroquois County, Illinois is $66,255 — below the national median of $80,734. The Illinois state median is $83,390.
What is the political history of Iroquois County, Illinois?
Akashic tracks 38 presidential elections in Iroquois County, Illinois from 1876 to 2024. Of those, 2 went Democratic and 31 went Republican.