Lake County, Illinois
AkashicLake County, ILHarrisD+20.7
2024 precinct map of Lake CountyPrecinct-level 2024 presidential results for Lake 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 | 59.4% | 184,642 |
|---|---|---|
| Donald TrumpRepublican | 38.7% | 120,402 |
| Robert F Kennedy Jr.Independent | 1.4% | 4,279 |
Harris +50Trump +50
431 precincts · 310,913 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 | 59.4%Harris184,642 | 38.7%Trump120,402 | 1.4%Kennedy4,279 | 310,913 | ||
| D | 60.8%Biden204,032 | 36.8%Trump123,594 | 1.2%Jorgensen4,160 | 335,675 | ||
| D | 56.4%Clinton171,095 | 36.2%Trump109,767 | 4.4%Johnson13,312 | 303,520 | ||
| D | 53.5%Obama153,757 | 45.1%Romney129,764 | 1.0%JOHNSON2,816 | 287,493 | ||
| D | 59.3%Obama177,242 | 39.6%McCain118,545 | 1.1%Nader3,318 | 299,105 | ||
| R | 48.8%Kerry134,352 | 50.5%Bush139,081 | 0.7%Badnarik1,862 | 275,295 | ||
| R | 47.5%Gore115,058 | 50.0%Bush120,988 | 2.0%Nader4,843 | 242,164 | ||
| D | 45.6%Clinton93,315 | 45.5%Dole93,149 | 8.1%Perot16,640 | 204,764 | ||
| R | 36.5%Clinton81,693 | 44.2%Bush99,000 | 18.9%Perot42,384 | 223,987 | ||
| R | 35.8%Dukakis64,327 | 63.5%Bush114,115 | 0.7%Paul1,191 | 179,633 | ||
| R | 31.1%Mondale53,947 | 68.4%Reagan118,401 | 0.5%Bergland876 | 173,224 | ||
| R | 29.3%Carter48,287 | 58.4%Reagan96,350 | 12.3%Anderson20,216 | 164,853 | ||
| R | 37.8%Carter57,741 | 60.3%Ford92,231 | 1.9%McCarthy2,922 | 152,894 | ||
| R | 33.9%McGovern47,416 | 65.8%Nixon92,052 | 0.2%Schmitz344 | 139,812 | ||
| R | 35.6%Humphrey43,409 | 56.6%Nixon68,999 | 7.8%Wallace9,495 | 121,903 | ||
| D | 51.6%Johnson62,785 | 48.4%Goldwater58,840 | 0.0%Hass42 | 121,667 | ||
| R | 40.9%Kennedy46,941 | 59.0%Nixon67,809 | 0.1%Byrd149 | 114,899 | ||
| R | 32.5%Stevenson32,279 | 67.3%Eisenhower66,781 | 0.1%Andrews129 | 99,189 | ||
| R | 37.0%Stevenson32,353 | 62.8%Eisenhower54,929 | 0.2%Hallinan145 | 87,427 | ||
| R | 35.6%Truman22,192 | 63.3%Dewey39,456 | 1.2%Thurmond720 | 62,368 | ||
| R | 41.5%Roosevelt25,453 | 58.2%Dewey35,674 | 0.3%Thomas183 | 61,310 | ||
| R | 39.3%Roosevelt24,965 | 60.3%Willkie38,242 | 0.4%Thomas254 | 63,461 | ||
| R | 45.7%Roosevelt24,524 | 51.3%Landon27,548 | 3.0%Lemke1,603 | 53,675 | ||
| R | 44.9%Roosevelt21,139 | 50.9%Hoover23,994 | 4.2%Thomas1,989 | 47,122 | ||
| R | 30.9%Smith12,252 | 67.7%Hoover26,814 | 1.3%Thomas521 | 39,587 | ||
| R | 8.3%Davis2,008 | 75.5%Coolidge18,229 | 16.2%La Follette3,913 | 24,150 | ||
| R | 12.2%Cox2,321 | 82.3%Harding15,712 | 5.6%Debs1,063 | 19,096 | ||
| R | 28.3%Wilson5,447 | 67.0%Hughes12,905 | 4.7%Benson899 | 19,251 | ||
| O | 24.1%Wilson2,436 | 21.6%Taft2,183 | 54.3%Roosevelt5,494 | 10,113 | ||
| R | 24.1%Bryan2,264 | 68.2%Taft6,392 | 7.7%Debs723 | 9,379 | ||
| R | 18.5%Parker1,592 | 77.1%Roosevelt6,635 | 4.4%Debs378 | 8,605 | ||
| R | 29.5%Bryan2,235 | 67.7%McKinley5,136 | 2.9%Woolley217 | 7,588 | ||
| R | 25.6%Bryan1,777 | 72.5%McKinley5,027 | 1.9%Palmer133 | 6,937 | ||
| R | 38.3%Cleveland1,964 | 57.2%Harrison2,932 | 4.5%Weaver233 | 5,129 | ||
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presidential history
Presidential margin, 1892–2024
Democratic minus Republican, by election
| Year | Margin (D minus R) |
|---|---|
| 1892 | −18.9% |
| 1896 | −46.9% |
| 1900 | −38.2% |
| 1904 | −58.6% |
| 1908 | −44.0% |
| 1912 | +2.5% |
| 1916 | −38.7% |
| 1920 | −70.1% |
| 1924 | −67.2% |
| 1928 | −36.8% |
| 1932 | −6.1% |
| 1936 | −5.6% |
| 1940 | −20.9% |
| 1944 | −16.7% |
| 1948 | −27.7% |
| 1952 | −25.8% |
| 1956 | −34.8% |
| 1960 | −18.2% |
| 1964 | +3.2% |
| 1968 | −21.0% |
| 1972 | −31.9% |
| 1976 | −22.6% |
| 1980 | −29.2% |
| 1984 | −37.2% |
| 1988 | −27.7% |
| 1992 | −7.7% |
| 1996 | +0.1% |
| 2000 | −2.4% |
| 2004 | −1.7% |
| 2008 | +19.6% |
| 2012 | +8.3% |
| 2016 | +20.2% |
| 2020 | +24.0% |
| 2024 | +20.7% |
DemocraticRepublican
voter registration
Registered voters
Total registered voters, over time
Registered voters
| Year | Total registered |
|---|---|
| 2016 | 470,378 |
| 2018 | 468,629 |
| 2020 | 497,454 |
| 2022 | 517,954 |
| 2024 | 545,033 |
Source: U.S. Election Assistance Commission (EAVS)
Once a reliably Republican suburban stronghold, Lake County has shifted markedly leftward over the past decade as college-educated voters in communities like Waukegan and Lake Forest realigned, delivering a 20-point Democratic margin in 2024.
Across the recorded series it reached a Democratic high of 24.0 points in 2020 and a Republican high of 70.1 points in 1920. Between 2020 and 2024 the county moved 3.3 points toward the Republican candidate; the 2024 margin was 20.7 points.
A population of 714,223, a 56% non-Hispanic-white share, and a median household income of $110,416 describe the county. The county's voting pattern over the last decade is most similar to that of Ventura County and Prince William County.
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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.
Lake County, Illinois. Akashic. https://akashic.app/county/17097/. Accessed May 20, 2026. License: CC BY 4.0.
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Frequently asked questions
How did Lake County, Illinois vote in 2024?
In 2024, Lake County, Illinois voted Democratic by 20.7 points (D+20.7), carried by the Democratic candidate. Out of 310,913 votes cast, 184,642 went Democratic and 120,402 went Republican.
When did Lake County, Illinois last vote Republican?
The most recent presidential election in which Lake County, Illinois voted Republican was 2004.
How many people live in Lake County, Illinois?
Lake County, Illinois has a population of 714,223 according to the 2024 American Community Survey 5-year estimates from the US Census Bureau.
What is the median household income in Lake County, Illinois?
Median household income in Lake County, Illinois is $110,416 — above the national median of $80,734. The Illinois state median is $83,390.
What is the political history of Lake County, Illinois?
Akashic tracks 38 presidential elections in Lake County, Illinois from 1876 to 2024. Of those, 7 went Democratic and 26 went Republican.