Peoria County, Illinois
AkashicPeoria County, ILHarrisD+4.6
2024 precinct map of Peoria CountyPrecinct-level 2024 presidential results for Peoria 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 | 51.3% | 40,564 |
|---|---|---|
| Donald TrumpRepublican | 46.6% | 36,896 |
| Robert F Kennedy Jr.Independent | 1.6% | 1,271 |
Harris +50Trump +50
116 precincts · 79,138 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 | 51.3%Harris40,564 | 46.6%Trump36,896 | 1.6%Kennedy1,271 | 79,138 | ||
| D | 51.9%Biden43,578 | 45.6%Trump38,252 | 1.6%Jorgensen1,309 | 83,973 | ||
| D | 48.1%Clinton38,060 | 45.0%Trump35,633 | 4.7%Johnson3,725 | 79,102 | ||
| D | 51.3%Obama40,209 | 46.9%Romney36,774 | 1.2%JOHNSON920 | 78,411 | ||
| D | 56.2%Obama45,906 | 42.3%McCain34,579 | 1.5%Nader1,219 | 81,704 | ||
| D | 49.7%Kerry41,121 | 49.6%Bush41,051 | 0.7%Badnarik599 | 82,771 | ||
| D | 50.3%Gore38,604 | 47.4%Bush36,398 | 1.7%Nader1,332 | 76,812 | ||
| D | 50.4%Clinton37,383 | 41.8%Dole30,990 | 7.0%Perot5,220 | 74,102 | ||
| D | 46.8%Clinton38,099 | 37.8%Bush30,718 | 15.0%Perot12,195 | 81,328 | ||
| R | 48.1%Dukakis35,253 | 51.4%Bush37,605 | 0.5%Paul372 | 73,230 | ||
| R | 44.4%Mondale36,830 | 55.0%Reagan45,607 | 0.6%Bergland462 | 82,899 | ||
| R | 33.9%Carter28,276 | 57.3%Reagan47,815 | 8.9%Anderson7,419 | 83,510 | ||
| R | 42.1%Carter34,606 | 56.7%Ford46,526 | 1.2%McCarthy991 | 82,123 | ||
| R | 34.9%McGovern27,264 | 64.5%Nixon50,324 | 0.6%Schmitz444 | 78,032 | ||
| R | 41.7%Humphrey30,937 | 50.0%Nixon37,021 | 8.3%Wallace6,147 | 74,105 | ||
| D | 58.7%Johnson47,360 | 41.3%Goldwater33,327 | 0.0% | 80,687 | ||
| R | 46.1%Kennedy39,061 | 53.8%Nixon45,529 | 0.1%Byrd86 | 84,676 | ||
| R | 37.2%Stevenson30,145 | 62.7%Eisenhower50,888 | 0.1%Andrews108 | 81,141 | ||
| R | 40.7%Stevenson33,955 | 59.1%Eisenhower49,245 | 0.2%Hallinan139 | 83,339 | ||
| R | 46.8%Truman31,026 | 52.8%Dewey35,018 | 0.5%Thurmond308 | 66,352 | ||
| R | 48.8%Roosevelt32,837 | 50.8%Dewey34,171 | 0.4%Thomas243 | 67,251 | ||
| D | 54.4%Roosevelt42,009 | 45.2%Willkie34,911 | 0.4%Thomas301 | 77,221 | ||
| D | 64.2%Roosevelt48,063 | 34.0%Landon25,425 | 1.8%Lemke1,377 | 74,865 | ||
| D | 59.0%Roosevelt37,605 | 39.5%Hoover25,166 | 1.5%Thomas945 | 63,716 | ||
| R | 42.2%Smith23,150 | 56.5%Hoover31,024 | 1.3%Thomas739 | 54,913 | ||
| R | 14.7%Davis6,343 | 58.6%Coolidge25,243 | 26.7%La Follette11,526 | 43,112 | ||
| R | 25.4%Cox9,453 | 66.0%Harding24,541 | 8.6%Debs3,188 | 37,182 | ||
| D | 48.8%Wilson18,718 | 48.5%Hughes18,615 | 2.8%Benson1,062 | 38,395 | ||
| O | 38.0%Wilson8,364 | 11.8%Taft2,594 | 50.2%Roosevelt11,062 | 22,020 | ||
| R | 43.1%Bryan8,898 | 52.5%Taft10,828 | 4.4%Debs909 | 20,635 | ||
| R | 29.8%Parker5,697 | 62.0%Roosevelt11,868 | 8.2%Debs1,570 | 19,135 | ||
| R | 45.7%Bryan9,433 | 51.8%McKinley10,700 | 2.5%Woolley514 | 20,647 | ||
| R | 45.6%Bryan9,068 | 52.7%McKinley10,486 | 1.7%Palmer344 | 19,898 | ||
| D | 50.6%Cleveland8,053 | 45.6%Harrison7,266 | 3.8%Weaver605 | 15,924 | ||
| — | — | — | — | — | ||
| — | — | — | — | — | ||
| — | — | — | — | — | ||
| — | — | — | — | — |
presidential history
Presidential margin, 1892–2024
Democratic minus Republican, by election
| Year | Margin (D minus R) |
|---|---|
| 1892 | +4.9% |
| 1896 | −7.1% |
| 1900 | −6.1% |
| 1904 | −32.2% |
| 1908 | −9.4% |
| 1912 | +26.2% |
| 1916 | +0.3% |
| 1920 | −40.6% |
| 1924 | −43.8% |
| 1928 | −14.3% |
| 1932 | +19.5% |
| 1936 | +30.2% |
| 1940 | +9.2% |
| 1944 | −2.0% |
| 1948 | −6.0% |
| 1952 | −18.3% |
| 1956 | −25.6% |
| 1960 | −7.6% |
| 1964 | +17.4% |
| 1968 | −8.2% |
| 1972 | −29.6% |
| 1976 | −14.5% |
| 1980 | −23.4% |
| 1984 | −10.6% |
| 1988 | −3.2% |
| 1992 | +9.1% |
| 1996 | +8.6% |
| 2000 | +2.9% |
| 2004 | +0.1% |
| 2008 | +13.9% |
| 2012 | +4.4% |
| 2016 | +3.1% |
| 2020 | +6.3% |
| 2024 | +4.6% |
DemocraticRepublican
voter registration
Registered voters
Total registered voters, over time
Registered voters
| Year | Total registered |
|---|---|
| 2016 | 14,688 |
| 2018 | 130,810 |
| 2020 | 133,615 |
| 2022 | 125,014 |
| 2024 | 130,395 |
Source: U.S. Election Assistance Commission (EAVS)
Anchored by the city of Peoria, this county along the Illinois River has shifted noticeably from its earlier competitive standing, with the 2024 presidential margin landing at D+4.6 in a metro long watched as a national bellwether.
Across the recorded series it reached a Democratic high of 30.2 points in 1936 and a Republican high of 43.8 points in 1924. Between 2020 and 2024 the county moved 1.7 points toward the Republican candidate; the 2024 margin was 4.6 points.
A population of 179,645, a 66% non-Hispanic-white share, and a median household income of $65,108 describe the county. The county's voting pattern over the last decade is most similar to that of Sandoval County and St. Joseph 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 →
Cite this page
All citations released under CC BY 4.0. Attribution: Akashic Intelligence.
Peoria County, Illinois. Akashic. https://akashic.app/county/17143/. Accessed May 20, 2026. License: CC BY 4.0.
License: CC BY 4.0
Embed this page
A live widget for your site — no API key, attribution built in, CC BY 4.0. All widgets & sizes →
Cities & towns in Peoria County
Illinois at the ballot boxAll elections →
Frequently asked questions
How did Peoria County, Illinois vote in 2024?
In 2024, Peoria County, Illinois voted Democratic by 4.6 points (D+4.6), carried by the Democratic candidate. Out of 79,138 votes cast, 40,564 went Democratic and 36,896 went Republican.
When did Peoria County, Illinois last vote Republican?
The most recent presidential election in which Peoria County, Illinois voted Republican was 1988.
How many people live in Peoria County, Illinois?
Peoria County, Illinois has a population of 179,645 according to the 2024 American Community Survey 5-year estimates from the US Census Bureau.
What is the median household income in Peoria County, Illinois?
Median household income in Peoria County, Illinois is $65,108 — below the national median of $80,734. The Illinois state median is $83,390.
What is the political history of Peoria County, Illinois?
Akashic tracks 38 presidential elections in Peoria County, Illinois from 1876 to 2024. Of those, 15 went Democratic and 18 went Republican.