Kane County, Illinois
AkashicKane County, ILHarrisD+9.3
2024 precinct map of Kane CountyPrecinct-level 2024 presidential results for Kane 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 | 53.7% | 120,077 |
|---|---|---|
| Donald TrumpRepublican | 44.4% | 99,260 |
| Robert F Kennedy Jr.Independent | 1.4% | 3,027 |
Harris +50Trump +50
292 precincts · 223,534 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 | 53.7%Harris120,077 | 44.4%Trump99,260 | 1.4%Kennedy3,027 | 223,534 | ||
| D | 56.1%Biden130,166 | 41.7%Trump96,775 | 1.2%Jorgensen2,878 | 231,876 | ||
| D | 51.9%Clinton103,665 | 41.4%Trump82,734 | 4.7%Johnson9,292 | 199,687 | ||
| D | 49.7%Obama90,332 | 48.6%Romney88,335 | 1.2%JOHNSON2,098 | 181,725 | ||
| D | 55.2%Obama106,756 | 43.4%McCain83,963 | 1.3%Nader2,580 | 193,299 | ||
| R | 44.1%Kerry73,813 | 55.0%Bush92,065 | 0.8%Badnarik1,419 | 167,297 | ||
| R | 42.5%Gore60,127 | 54.5%Bush76,996 | 2.3%Nader3,274 | 141,405 | ||
| R | 41.8%Clinton47,902 | 47.4%Dole54,375 | 9.8%Perot11,270 | 114,693 | ||
| R | 34.8%Clinton44,568 | 43.5%Bush55,684 | 21.2%Perot27,179 | 127,938 | ||
| R | 35.2%Dukakis36,366 | 64.1%Bush66,283 | 0.7%Paul763 | 103,412 | ||
| R | 30.3%Mondale31,875 | 69.1%Reagan72,655 | 0.6%Bergland629 | 105,159 | ||
| R | 28.0%Carter29,015 | 61.8%Reagan64,106 | 10.3%Anderson10,663 | 103,784 | ||
| R | 35.7%Carter34,057 | 62.2%Ford59,275 | 2.1%McCarthy2,042 | 95,374 | ||
| R | 29.8%McGovern27,525 | 69.9%Nixon64,546 | 0.3%Schmitz306 | 92,377 | ||
| R | 30.4%Humphrey26,609 | 61.9%Nixon54,144 | 7.6%Wallace6,667 | 87,420 | ||
| R | 46.7%Johnson40,703 | 53.3%Goldwater46,391 | 0.0% | 87,094 | ||
| R | 36.1%Kennedy31,279 | 63.8%Nixon55,389 | 0.1%Byrd93 | 86,761 | ||
| R | 27.1%Stevenson20,848 | 72.8%Eisenhower56,009 | 0.1%Andrews59 | 76,916 | ||
| R | 32.1%Stevenson24,058 | 67.8%Eisenhower50,801 | 0.1%Hallinan96 | 74,955 | ||
| R | 34.7%Truman21,176 | 64.4%Dewey39,284 | 0.9%Thurmond532 | 60,992 | ||
| R | 37.5%Roosevelt23,362 | 62.2%Dewey38,689 | 0.3%Thomas185 | 62,236 | ||
| R | 37.8%Roosevelt25,676 | 61.8%Willkie41,949 | 0.4%Thomas289 | 67,914 | ||
| R | 44.2%Roosevelt28,187 | 52.6%Landon33,491 | 3.2%Lemke2,051 | 63,729 | ||
| R | 42.0%Roosevelt24,638 | 56.1%Hoover32,934 | 1.8%Thomas1,084 | 58,656 | ||
| R | 29.6%Smith16,184 | 69.9%Hoover38,236 | 0.5%Thomas253 | 54,673 | ||
| R | 8.2%Davis3,517 | 76.3%Coolidge32,717 | 15.5%La Follette6,624 | 42,858 | ||
| R | 13.3%Cox4,323 | 82.8%Harding26,832 | 3.8%Debs1,243 | 32,398 | ||
| R | 28.1%Wilson9,875 | 67.8%Hughes23,868 | 4.2%Benson1,461 | 35,204 | ||
| O | 23.0%Wilson4,394 | 12.7%Taft2,415 | 64.3%Roosevelt12,257 | 19,066 | ||
| R | 23.6%Bryan4,316 | 70.3%Taft12,840 | 6.1%Debs1,111 | 18,267 | ||
| R | 16.8%Parker2,799 | 75.6%Roosevelt12,638 | 7.6%Debs1,271 | 16,708 | ||
| R | 29.5%Bryan5,259 | 67.5%McKinley12,031 | 2.9%Woolley521 | 17,811 | ||
| R | 28.0%Bryan4,852 | 69.9%McKinley12,133 | 2.1%Palmer362 | 17,347 | ||
| R | 39.0%Cleveland5,778 | 53.8%Harrison7,977 | 7.2%Weaver1,072 | 14,827 | ||
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presidential history
Presidential margin, 1892–2024
Democratic minus Republican, by election
| Year | Margin (D minus R) |
|---|---|
| 1892 | −14.8% |
| 1896 | −42.0% |
| 1900 | −38.0% |
| 1904 | −58.9% |
| 1908 | −46.7% |
| 1912 | +10.4% |
| 1916 | −39.7% |
| 1920 | −69.5% |
| 1924 | −68.1% |
| 1928 | −40.3% |
| 1932 | −14.1% |
| 1936 | −8.3% |
| 1940 | −24.0% |
| 1944 | −24.6% |
| 1948 | −29.7% |
| 1952 | −35.7% |
| 1956 | −45.7% |
| 1960 | −27.8% |
| 1964 | −6.5% |
| 1968 | −31.5% |
| 1972 | −40.1% |
| 1976 | −26.4% |
| 1980 | −33.8% |
| 1984 | −38.8% |
| 1988 | −28.9% |
| 1992 | −8.7% |
| 1996 | −5.6% |
| 2000 | −11.9% |
| 2004 | −10.9% |
| 2008 | +11.8% |
| 2012 | +1.1% |
| 2016 | +10.5% |
| 2020 | +14.4% |
| 2024 | +9.3% |
DemocraticRepublican
voter registration
Registered voters
Total registered voters, over time
Registered voters
| Year | Total registered |
|---|---|
| 2016 | 246,563 |
| 2018 | 320,084 |
| 2020 | 350,374 |
| 2022 | 332,858 |
| 2024 | 309,210 |
Source: U.S. Election Assistance Commission (EAVS)
Kane County, anchored by Aurora and Elgin, has shifted steadily leftward over the past decade as its population diversified — the 2024 presidential margin of D+9.3 reflects a collar-county realignment that continues to reshape Illinois statewide math.
Across the recorded series it reached a Democratic high of 14.4 points in 2020 and a Republican high of 69.5 points in 1920. Between 2020 and 2024 the county moved 5.1 points toward the Republican candidate; the 2024 margin was 9.3 points.
A population of 517,255, a 54% non-Hispanic-white share, and a median household income of $103,163 describe the county. The county's voting pattern over the last decade is most similar to that of Charleston County and DuPage 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.
Kane County, Illinois. Akashic. https://akashic.app/county/17089/. Accessed May 20, 2026. License: CC BY 4.0.
License: CC BY 4.0
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Cities & towns in Kane County
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Frequently asked questions
How did Kane County, Illinois vote in 2024?
In 2024, Kane County, Illinois voted Democratic by 9.3 points (D+9.3), carried by the Democratic candidate. Out of 223,534 votes cast, 120,077 went Democratic and 99,260 went Republican.
When did Kane County, Illinois last vote Republican?
The most recent presidential election in which Kane County, Illinois voted Republican was 2004.
How many people live in Kane County, Illinois?
Kane County, Illinois has a population of 517,255 according to the 2024 American Community Survey 5-year estimates from the US Census Bureau.
What is the median household income in Kane County, Illinois?
Median household income in Kane County, Illinois is $103,163 — above the national median of $80,734. The Illinois state median is $83,390.
What is the political history of Kane County, Illinois?
Akashic tracks 38 presidential elections in Kane County, Illinois from 1876 to 2024. Of those, 5 went Democratic and 28 went Republican.