Will County, Illinois: Diversifying Metro county. In 2024, voted D+2%. Republican peak: R+57 in 1920.
Key facts
- 2024 presidential margin
- D+2MIT Election Lab
- Political typology
- Diversifying MetroAkashic typology
- Population
- 701,4622024 5-year
- Median household income
- $109,9842024 5-year
- White (non-Hispanic)
- 62.3%2024 5-year
- Black
- 11.8%2024 5-year
- Hispanic / Latino
- 19.8%2024 5-year
- Peak Democratic margin
- D+13 in 1964MIT Election Lab
- Peak Republican margin
- R+57 in 1920MIT Election Lab
- Most similar
- Radford city, VA · similarity 0.96
2024 results by precinct
2024 precinct map of Will CountyPrecinct-level 2024 presidential results for Will County, with each precinct boundary colored by Democratic-vs-Republican margin.
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Margin—
Turnout—
Harris +50Trump +50
Real precinct boundaries. Hover for vote totals.
presidential history
Presidential margin, 1876–2024
Democratic minus Republican, by election
| Year | Margin (D minus R) |
|---|---|
| 1876 | No data |
| 1880 | No data |
| 1884 | No data |
| 1888 | No data |
| 1892 | −2.1% |
| 1896 | −14.6% |
| 1900 | −20.0% |
| 1904 | −45.2% |
| 1908 | −27.6% |
| 1912 | +8.3% |
| 1916 | −26.8% |
| 1920 | −57.4% |
| 1924 | −50.9% |
| 1928 | −11.0% |
| 1932 | +1.2% |
| 1936 | +5.6% |
| 1940 | −4.6% |
| 1944 | −5.2% |
| 1948 | −3.9% |
| 1952 | −12.8% |
| 1956 | −28.8% |
| 1960 | −1.8% |
| 1964 | +12.5% |
| 1968 | −13.6% |
| 1972 | −31.8% |
| 1976 | −9.3% |
| 1980 | −22.7% |
| 1984 | −26.9% |
| 1988 | −18.8% |
| 1992 | +0.9% |
| 1996 | +4.6% |
| 2000 | −2.6% |
| 2004 | −5.4% |
| 2008 | +13.2% |
| 2012 | +5.5% |
| 2016 | +6.3% |
| 2020 | +8.3% |
| 2024 | +1.6% |
DemocraticRepublican
38 presidential elections
| Year | Won | Margin | Democratic | Republican | Total |
|---|---|---|---|---|---|
| D | 162,874 | 157,672 | 327,604 | ||
| D | 183,915 | 155,116 | 346,266 | ||
| D | 151,927 | 132,720 | 304,226 | ||
| D | 144,229 | 128,969 | 278,165 | ||
| D | 160,406 | 122,597 | 286,420 | ||
| R | 117,172 | 130,728 | 249,609 | ||
| R | 90,902 | 95,828 | 191,670 | ||
| D | 69,354 | 62,506 | 148,304 | ||
| D | 59,633 | 58,337 | 152,123 | ||
| R | 49,816 | 73,129 | 123,731 | ||
| R | 45,193 | 78,684 | 124,397 | ||
| R | 41,975 | 69,310 | 120,658 | ||
| R | 51,103 | 61,784 | 114,727 | ||
| R | 33,633 | 65,155 | 99,218 | ||
| R | 31,576 | 43,630 | 88,460 | ||
| D | 49,663 | 38,619 | 88,282 | ||
| R | 41,056 | 42,575 | 83,712 | ||
| R | 25,188 | 45,628 | 70,916 | ||
| R | 29,749 | 38,533 | 68,392 | ||
| R | 26,430 | 28,601 | 55,628 | ||
| R | 27,085 | 30,058 | 57,453 | ||
| R | 29,442 | 32,291 | 61,946 | ||
| D | 28,135 | 25,028 | 55,314 | ||
| D | 25,798 | 25,173 | 52,266 | ||
| R | 20,877 | 26,081 | 47,405 | ||
| R | 4,707 | 22,780 | 35,505 | ||
| R | 5,410 | 21,746 | 28,474 | ||
| R | 11,378 | 19,881 | 31,747 | ||
| O | 4,717 | 3,331 | 16,767 | ||
| R | 5,693 | 10,358 | 16,901 | ||
| R | 3,191 | 10,001 | 15,065 | ||
| R | 6,655 | 10,056 | 16,980 | ||
| R | 6,873 | 9,249 | 16,242 | ||
| R | 6,434 | 6,720 | 13,574 | ||
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Demographics
2024 ACS
Race, ethnicity, and ancestry
Click any group to see the ancestries typically reported within it.
German
16.5%
Irish
12.9%
Polish
10.4%
Italian
8.6%
English
5.4%
American
2.5%
French
1.2%
African American
9.4%
Multiple ancestry combinations reported; no single grouping above 1%.
American Indian, Alaska Native, Native Hawaiian, and Pacific Islander combined.
Source · American Community Survey 5-year estimates, 2024 release. Hispanic/Latino is an ethnicity that overlaps the race categories, so these shares can total more than 100%. Ancestry is a self-reported, multiple-response item; ancestry percentages do not sum to the parent race percentage.
2024 ACS
Age distribution by sex
Median age: 39.1 in this county, 39.1 nationally
Male
Age
Female
85+
75–84
65–74
55–64
45–54
35–44
25–34
18–24
5–17
<5
Source · American Community Survey 5-year estimates, 2024 release.
2024 ACS
Median household income
Inflation-adjusted dollars
$109,984
Will County ranks in the top 5% of US counties.
Will County$109,984
Illinois$83,390
United States$80,734
Will County ranks in the top 5% of US counties by median household income.
Source · American Community Survey 5-year estimates, 2024 release.
2024 ACS
Poverty rate
All persons below federal poverty line
7.3%
Child poverty is below the national average.
Children under 189.9%
Working age (18–64)6.3%
Seniors (65+)9.0%
Source · American Community Survey 5-year estimates, 2024 release.
2024 ACS
Language at home
Population aged 5 and older
77.6%
speak English only
Spanish13.1%
Other Indo-European5.4%
Asian & Pacific Islander2.8%
Other languages1.1%
Source · ACS 5-year estimates, 2024.
2020 religion census
Religious adherents
Adherents per capita by tradition
Source · 2020 US Religion Census. Remaining 56.8% of residents not counted as adherents by any reporting body.
Once reliably Republican exurban territory, Will County has shifted steadily toward competitive margins over two decades of population growth, landing at D+1.6 in 2024 and making it a reliable bellwether for the Chicago collar region.
The Democratic margin here reached thirteen points in 2008. Between 2020 and 2024 the county moved seven points toward the Republican candidate; the 2024 margin was two points.
A population of 701,462, a 62% non-Hispanic-white share, and a median household income of $109,984 describe the county. The county's voting pattern over the last decade is most similar to that of Radford city and DeKalb 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.
Will County, Illinois. Akashic. https://akashic.app/county/17197/. Accessed May 20, 2026. License: CC BY 4.0.
License: CC BY 4.0
More diversifying metro counties
Frequently asked questions
How did Will County, Illinois vote in 2024?
In 2024, Will County, Illinois voted Democratic by 1.6 points (D+2), carried by the Democratic candidate. Out of 327,604 votes cast, 162,874 went Democratic and 157,672 went Republican.
What is Will County, Illinois's political typology?
Akashic places Will County, Illinois in the "Diversifying Metro" typology — Mid-size metropolitan counties growing more diverse and trending Democratic. The typology is a data-driven cluster built from vote share, vote swing, race and ethnicity, income, language spoken at home, religion, and ancestry. Across 38 elections in the dataset, the county has voted Democratic 10 times, Republican 23 times, and other 1 times.
When did Will County, Illinois last vote Republican?
The most recent presidential election in which Will County, Illinois voted Republican was 2004.
How many people live in Will County, Illinois?
Will County, Illinois has a population of 701,462 according to the 2024 American Community Survey 5-year estimates from the US Census Bureau.
What is the median household income in Will County, Illinois?
Median household income in Will County, Illinois is $109,984 — above the national median of $80,734. The Illinois state median is $83,390.
What is the political history of Will County, Illinois?
Akashic tracks 38 presidential elections in Will County, Illinois from 1876 to 2024. Of those, 10 went Democratic and 23 went Republican. The county's typology — "Diversifying Metro" — captures where that record, its demographics, and its recent swing place it among American communities.