Winnebago County, Illinois
AkashicWinnebago County, ILHarrisD+0.6
2024 precinct map of Winnebago CountyPrecinct-level 2024 presidential results for Winnebago 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
| Kamala Harris ✓Democratic | 49.4% | 59,942 |
|---|---|---|
| Donald TrumpRepublican | 48.8% | 59,257 |
| Robert F Kennedy Jr.Independent | 1.5% | 1,849 |
Harris +50Trump +50
180 precincts · 121,347 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 |
|---|---|---|---|---|---|---|
| D | 49.4%Harris59,942 | 48.8%Trump59,257 | 1.5%Kennedy1,849 | 121,347 | ||
| D | 50.0%Biden64,056 | 47.5%Trump60,861 | 1.3%Jorgensen1,719 | 128,160 | ||
| D | 46.4%Clinton55,713 | 46.3%Trump55,624 | 4.2%Johnson5,064 | 120,055 | ||
| D | 51.7%Obama61,732 | 46.2%Romney55,138 | 1.2%JOHNSON1,465 | 119,397 | ||
| D | 55.6%Obama70,034 | 42.8%McCain53,886 | 1.7%Nader2,111 | 126,031 | ||
| R | 49.2%Kerry59,740 | 50.1%Bush60,782 | 0.7%Badnarik903 | 121,425 | ||
| R | 47.6%Gore51,981 | 49.2%Bush53,816 | 2.4%Nader2,637 | 109,297 | ||
| D | 46.3%Clinton46,264 | 44.5%Dole44,479 | 8.2%Perot8,192 | 99,910 | ||
| D | 43.0%Clinton48,298 | 37.6%Bush42,221 | 18.9%Perot21,227 | 112,215 | ||
| R | 44.6%Dukakis45,280 | 54.8%Bush55,699 | 0.6%Paul571 | 101,550 | ||
| R | 40.8%Mondale44,629 | 58.7%Reagan64,203 | 0.6%Bergland619 | 109,451 | ||
| R | 30.8%Carter32,384 | 46.5%Reagan48,825 | 22.7%Anderson23,880 | 105,089 | ||
| R | 43.5%Carter42,399 | 54.2%Ford52,736 | 2.3%McCarthy2,252 | 97,387 | ||
| R | 38.3%McGovern35,937 | 61.5%Nixon57,682 | 0.2%Schmitz231 | 93,850 | ||
| R | 40.4%Humphrey36,702 | 52.5%Nixon47,646 | 7.0%Wallace6,391 | 90,739 | ||
| D | 55.0%Johnson48,834 | 45.0%Goldwater39,920 | 0.0% | 88,754 | ||
| R | 44.7%Kennedy40,090 | 55.2%Nixon49,541 | 0.1%Byrd110 | 89,741 | ||
| R | 37.5%Stevenson29,063 | 62.4%Eisenhower48,332 | 0.1%Andrews89 | 77,484 | ||
| R | 41.9%Stevenson31,409 | 58.0%Eisenhower43,468 | 0.2%Hallinan127 | 75,004 | ||
| R | 47.4%Truman27,145 | 51.5%Dewey29,537 | 1.1%Thurmond631 | 57,313 | ||
| R | 47.2%Roosevelt27,831 | 52.3%Dewey30,837 | 0.5%Thomas277 | 58,945 | ||
| R | 47.5%Roosevelt28,061 | 51.9%Willkie30,683 | 0.6%Thomas383 | 59,127 | ||
| D | 50.4%Roosevelt27,200 | 46.3%Landon24,997 | 3.3%Lemke1,792 | 53,989 | ||
| R | 38.0%Roosevelt17,707 | 57.1%Hoover26,632 | 4.9%Thomas2,286 | 46,625 | ||
| R | 18.6%Smith7,684 | 80.4%Hoover33,258 | 1.0%Thomas430 | 41,372 | ||
| R | 7.2%Davis2,228 | 71.3%Coolidge21,978 | 21.4%La Follette6,608 | 30,814 | ||
| R | 13.3%Cox3,355 | 79.2%Harding19,913 | 7.4%Debs1,866 | 25,134 | ||
| R | 27.1%Wilson6,198 | 65.1%Hughes14,893 | 7.8%Benson1,791 | 22,882 | ||
| O | 17.4%Wilson2,276 | 19.4%Taft2,537 | 63.3%Roosevelt8,292 | 13,105 | ||
| R | 17.3%Bryan2,163 | 71.5%Taft8,919 | 11.1%Debs1,385 | 12,467 | ||
| R | 10.8%Parker1,177 | 74.8%Roosevelt8,143 | 14.4%Debs1,567 | 10,887 | ||
| R | 22.4%Bryan2,498 | 72.7%McKinley8,103 | 4.9%Woolley546 | 11,147 | ||
| R | 22.3%Bryan2,447 | 75.1%McKinley8,242 | 2.6%Palmer286 | 10,975 | ||
| R | 28.1%Cleveland2,634 | 62.5%Harrison5,854 | 9.4%Weaver878 | 9,366 | ||
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presidential history
Presidential margin, 1892–2024
Democratic minus Republican, by election
| Year | Margin (D minus R) |
|---|---|
| 1892 | −34.4% |
| 1896 | −52.8% |
| 1900 | −50.3% |
| 1904 | −64.0% |
| 1908 | −54.2% |
| 1912 | −2.0% |
| 1916 | −38.0% |
| 1920 | −65.9% |
| 1924 | −64.1% |
| 1928 | −61.8% |
| 1932 | −19.1% |
| 1936 | +4.1% |
| 1940 | −4.4% |
| 1944 | −5.1% |
| 1948 | −4.2% |
| 1952 | −16.1% |
| 1956 | −24.9% |
| 1960 | −10.5% |
| 1964 | +10.0% |
| 1968 | −12.1% |
| 1972 | −23.2% |
| 1976 | −10.6% |
| 1980 | −15.6% |
| 1984 | −17.9% |
| 1988 | −10.3% |
| 1992 | +5.4% |
| 1996 | +1.8% |
| 2000 | −1.7% |
| 2004 | −0.9% |
| 2008 | +12.8% |
| 2012 | +5.5% |
| 2016 | +0.1% |
| 2020 | +2.5% |
| 2024 | +0.6% |
DemocraticRepublican
voter registration
Registered voters
Total registered voters, over time
Registered voters
| Year | Total registered |
|---|---|
| 2016 | 93,743 |
| 2018 | 98,585 |
| 2020 | 99,215 |
| 2022 | 114,384 |
| 2024 | 102,461 |
Source: U.S. Election Assistance Commission (EAVS)
Home to Rockford, Illinois's third-largest city, Winnebago County shifted from reliably Republican to a genuine battleground as its mid-sized industrial economy restructured and its suburban precincts trended more competitive through the 2010s and 2020s.
Across the recorded series it reached a Democratic high of 12.8 points in 2008 and a Republican high of 65.9 points in 1920. Between 2020 and 2024 the county moved 1.9 points toward the Republican candidate; the 2024 margin was 0.6 points.
A population of 283,292, a 64% non-Hispanic-white share, and a median household income of $65,837 describe the county. The county's voting pattern over the last decade is most similar to that of DeKalb County and Lehigh County.
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Compare two places, side by side
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All citations released under CC BY 4.0. Attribution: Akashic Intelligence.
Winnebago County, Illinois. Akashic. https://akashic.app/county/17201/. Accessed May 20, 2026. License: CC BY 4.0.
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Frequently asked questions
How did Winnebago County, Illinois vote in 2024?
In 2024, Winnebago County, Illinois voted Democratic by 0.6 points (D+0.6), carried by the Democratic candidate. Out of 121,347 votes cast, 59,942 went Democratic and 59,257 went Republican.
When did Winnebago County, Illinois last vote Republican?
The most recent presidential election in which Winnebago County, Illinois voted Republican was 2004.
How many people live in Winnebago County, Illinois?
Winnebago County, Illinois has a population of 283,292 according to the 2024 American Community Survey 5-year estimates from the US Census Bureau.
What is the median household income in Winnebago County, Illinois?
Median household income in Winnebago County, Illinois is $65,837 — below the national median of $80,734. The Illinois state median is $83,390.
What is the political history of Winnebago County, Illinois?
Akashic tracks 38 presidential elections in Winnebago County, Illinois from 1876 to 2024. Of those, 9 went Democratic and 24 went Republican.