Henry County, Illinois
AkashicHenry County, ILTrumpR+24.4
2024 precinct map of Henry CountyPrecinct-level 2024 presidential results for Henry 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 | 61.2% | 15,359 |
|---|---|---|
| Kamala HarrisDemocratic | 36.8% | 9,226 |
| Robert F Kennedy Jr.Independent | 1.9% | 477 |
Harris +50Trump +50
52 precincts · 25,092 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 | 36.8%Harris9,226 | 61.2%Trump15,359 | 1.9%Kennedy477 | 25,092 | ||
| R | 38.1%Biden9,797 | 59.5%Trump15,300 | 1.4%Jorgensen369 | 25,701 | ||
| R | 36.0%Clinton8,871 | 56.8%Trump13,985 | 5.0%Johnson1,243 | 24,643 | ||
| D | 50.5%Obama12,332 | 47.5%Romney11,583 | 1.2%JOHNSON285 | 24,405 | ||
| D | 53.2%Obama13,181 | 45.4%McCain11,263 | 1.4%Nader341 | 24,785 | ||
| R | 47.1%Kerry11,877 | 52.3%Bush13,212 | 0.6%Badnarik152 | 25,241 | ||
| D | 50.8%Gore11,921 | 46.4%Bush10,896 | 1.8%Nader428 | 23,470 | ||
| D | 51.2%Clinton11,201 | 38.3%Dole8,393 | 10.0%Perot2,194 | 21,897 | ||
| D | 45.5%Clinton11,077 | 36.9%Bush8,989 | 17.4%Perot4,231 | 24,371 | ||
| D | 50.3%Dukakis11,594 | 49.3%Bush11,358 | 0.4%Paul96 | 23,048 | ||
| R | 42.3%Mondale10,679 | 57.4%Reagan14,504 | 0.3%Bergland79 | 25,262 | ||
| R | 33.0%Carter7,977 | 59.9%Reagan14,506 | 7.1%Anderson1,723 | 24,206 | ||
| R | 42.8%Carter9,822 | 56.0%Ford12,849 | 1.1%McCarthy263 | 22,934 | ||
| R | 36.1%McGovern8,368 | 63.8%Nixon14,796 | 0.1%Schmitz21 | 23,185 | ||
| R | 37.2%Humphrey8,455 | 55.1%Nixon12,524 | 7.7%Wallace1,752 | 22,731 | ||
| D | 53.2%Johnson12,085 | 46.8%Goldwater10,644 | 0.0% | 22,729 | ||
| R | 42.0%Kennedy10,372 | 57.9%Nixon14,297 | 0.1%Byrd21 | 24,690 | ||
| R | 34.4%Stevenson8,349 | 65.5%Eisenhower15,896 | 0.2%Andrews39 | 24,284 | ||
| R | 34.4%Stevenson8,558 | 65.5%Eisenhower16,301 | 0.1%Hallinan33 | 24,892 | ||
| R | 40.4%Truman8,489 | 58.8%Dewey12,363 | 0.8%Thurmond159 | 21,011 | ||
| R | 40.1%Roosevelt9,130 | 59.5%Dewey13,539 | 0.4%Thomas92 | 22,761 | ||
| R | 40.9%Roosevelt10,481 | 58.4%Willkie14,971 | 0.8%Thomas196 | 25,648 | ||
| R | 47.7%Roosevelt11,490 | 49.6%Landon11,953 | 2.7%Lemke651 | 24,094 | ||
| R | 45.6%Roosevelt10,122 | 51.2%Hoover11,376 | 3.2%Thomas701 | 22,199 | ||
| R | 28.3%Smith5,858 | 70.8%Hoover14,666 | 0.9%Thomas183 | 20,707 | ||
| R | 10.7%Davis1,944 | 72.4%Coolidge13,159 | 16.9%La Follette3,076 | 18,179 | ||
| R | 16.1%Cox2,530 | 79.0%Harding12,379 | 4.9%Debs768 | 15,677 | ||
| R | 30.0%Wilson5,220 | 65.5%Hughes11,406 | 4.6%Benson796 | 17,422 | ||
| O | 24.2%Wilson2,219 | 20.3%Taft1,859 | 55.5%Roosevelt5,085 | 9,163 | ||
| R | 25.3%Bryan2,499 | 64.5%Taft6,387 | 10.2%Debs1,011 | 9,897 | ||
| R | 14.1%Parker1,390 | 74.5%Roosevelt7,331 | 11.4%Debs1,117 | 9,838 | ||
| R | 27.9%Bryan2,809 | 68.5%McKinley6,892 | 3.5%Woolley354 | 10,055 | ||
| R | 31.8%Bryan2,971 | 66.0%McKinley6,177 | 2.2%Palmer207 | 9,355 | ||
| R | 34.9%Cleveland2,670 | 55.8%Harrison4,265 | 9.2%Weaver705 | 7,640 | ||
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presidential history
Presidential margin, 1892–2024
Democratic minus Republican, by election
| Year | Margin (D minus R) |
|---|---|
| 1892 | −20.9% |
| 1896 | −34.3% |
| 1900 | −40.6% |
| 1904 | −60.4% |
| 1908 | −39.3% |
| 1912 | +3.9% |
| 1916 | −35.5% |
| 1920 | −62.8% |
| 1924 | −61.7% |
| 1928 | −42.5% |
| 1932 | −5.6% |
| 1936 | −1.9% |
| 1940 | −17.5% |
| 1944 | −19.4% |
| 1948 | −18.4% |
| 1952 | −31.1% |
| 1956 | −31.1% |
| 1960 | −15.9% |
| 1964 | +6.3% |
| 1968 | −17.9% |
| 1972 | −27.7% |
| 1976 | −13.2% |
| 1980 | −27.0% |
| 1984 | −15.1% |
| 1988 | +1.0% |
| 1992 | +8.6% |
| 1996 | +12.8% |
| 2000 | +4.4% |
| 2004 | −5.3% |
| 2008 | +7.7% |
| 2012 | +3.1% |
| 2016 | −20.8% |
| 2020 | −21.4% |
| 2024 | −24.4% |
DemocraticRepublican
voter registration
Registered voters
Total registered voters, over time
Registered voters
| Year | Total registered |
|---|---|
| 2016 | 36,494 |
| 2018 | 34,453 |
| 2020 | 35,538 |
| 2022 | 35,119 |
| 2024 | 36,720 |
Source: U.S. Election Assistance Commission (EAVS)
Henry County's population has declined slowly as its agricultural economy consolidates, and its presidential margins have shifted roughly 20 points toward Republicans over the past four election cycles, reflecting a broader rural realignment across the Illinois River corridor.
Across the recorded series it reached a Democratic high of 12.8 points in 1996 and a Republican high of 62.8 points in 1920. Between 2020 and 2024 the county moved 3.0 points toward the Republican candidate; the 2024 margin was 24.4 points.
A population of 48,643, a 87% non-Hispanic-white share, and a median household income of $71,911 describe the county. The county's voting pattern over the last decade is most similar to that of Lincoln County and Louisa County.
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All citations released under CC BY 4.0. Attribution: Akashic Intelligence.
Henry County, Illinois. Akashic. https://akashic.app/county/17073/. Accessed May 20, 2026. License: CC BY 4.0.
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Frequently asked questions
How did Henry County, Illinois vote in 2024?
In 2024, Henry County, Illinois voted Republican by 24.4 points (R+24.4), carried by the Republican candidate. Out of 25,092 votes cast, 9,226 went Democratic and 15,359 went Republican.
When did Henry County, Illinois last vote Democratic?
The most recent presidential election in which Henry County, Illinois voted Democratic was 2012.
How many people live in Henry County, Illinois?
Henry County, Illinois has a population of 48,643 according to the 2024 American Community Survey 5-year estimates from the US Census Bureau.
What is the median household income in Henry County, Illinois?
Median household income in Henry County, Illinois is $71,911 — below the national median of $80,734. The Illinois state median is $83,390.
What is the political history of Henry County, Illinois?
Akashic tracks 38 presidential elections in Henry County, Illinois from 1876 to 2024. Of those, 7 went Democratic and 26 went Republican.