akashic
1876–2024
Willowbrook·Illinois

Willowbrook delivered D+6.2 in 2024.

20082024·5 elections
IL
Willowbrook
HarrisD+6.2
How it voted
Share of the 2024 vote
Kamala HarrisDemocratic51.4%2,402
Donald TrumpRepublican45.2%2,113
OtherAll other candidates3.5%162
D+60
R+60
1 counties, each filled by 2024 D-vs-R margin.
presidential history
Presidential margin, 2008–2024
Democratic minus Republican, by election
Presidential margin over timeDemocratic-minus-Republican presidential margin from 2008 to 2024. Most recent: +6.2% in 2024.flipped D · 2016+6.2%DR20082024
Presidential margin over time
YearMargin (D minus R)
2008+2.2%
2012−5.8%
2016+5.6%
2020+10.3%
2024+6.2%
DemocraticRepublican
Source · MIT Election Lab · ICPSR · VEST (precinct-level 2024).
YearWonDemocraticRepublicanOtherMarginTotal
D
51.4%Harris2,402
45.2%Trump2,113
3.5%
+6.2%
4,677
D
54.4%Biden2,710
44.1%Trump2,195
1.5%incl. Jorgensen
+10.3%
4,978
D
49.8%Clinton2,178
44.2%Trump1,934
6.0%incl. Johnson
+5.6%
4,374
R
47.1%Obama2,052
52.9%Romney2,307
0.0%
−5.8%
4,359
D
50.3%Obama2,149
48.1%McCain2,057
1.6%
+2.2%
4,274

Demographics

Demographic profile

Demographic Profile

Key indicators compared across containing geographies

Demographic Profile. Key indicators compared across containing geographies. ACS values are survey estimates and may include margins of error. Religion data may be available only at county or larger geographies. Sub-county values are labeled when inherited, modeled, or contextual.
IndicatorWillowbrookCityIllinoisStateUnited StatesNation
Race & Ethnicity
White68.6%61.0%61.0%
Black3.7%13.6%12.2%
Asian18.9%6.0%6.0%
Two or more races4.0%10.9%12.6%
Other race4.8%8.6%8.2%
Hispanic or Latino9.7%18.8%19.3%
Income & Age
Median household income$99,239$83,390$84,427
Poverty rate6.6%11.8%12.5%
Median age4539.139.1
Age 18–248.3%9.1%9.2%
Age 65 and older17.3%16.9%17.2%
Education & Language
Bachelor's degree or higher (25+)51.8%37.9%35.6%
Speaks a non-English language at home29.6%24.1%22.3%
Spanish11.5%14.0%13.6%
Other Indo-European7.1%2.6%2.0%
Russian, Polish, or other Slavic3.9%2.5%0.7%
Other Asian & Pacific Island2.2%1.0%1.1%
Ancestry
Largest ancestryGerman 16.1%German 16.1%German 12.5%
2nd-largest ancestryIrish 13.0%Irish 10.6%English 9.5%
3rd-largest ancestryItalian 9.9%English 6.9%Irish 9.4%
Religion
Catholic36.2%County context24.2%18.6%
Evangelical Protestant9.6%County context11.7%16.5%
Unaffiliated or unclaimed36.4%County context49.2%51.5%
Muslim7.6%County context3.7%1.3%
Mainline Protestant5.8%County context5.3%5.2%

ACS values are survey estimates and may include margins of error.

Religion data may be available only at county or larger geographies. Sub-county values are labeled when inherited, modeled, or contextual.

2024 ACS
Race, ethnicity, and ancestry
Click any group to see the ancestries typically reported within it.
German
16.1%
Irish
13.0%
Italian
9.9%
Polish
9.7%
English
6.2%
American
2.6%
French
1.5%
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
Language at home
Population aged 5 and older
70.4%
speak English only
Spanish11.5%
Other Indo-European7.1%
Russian, Polish, or other Slavic3.9%
Other Asian & Pacific Island2.2%
Chinese (incl. Mandarin & Cantonese)1.3%
Tagalog (incl. Filipino)1.2%
Arabic0.8%
Korean0.4%
Vietnamese0.4%
Other languages0.4%
German or other West Germanic0.3%
French (incl. Cajun & Haitian)0.2%
Source · ACS 5-year estimates, 2024.
2020 religion census
Religious adherents
Adherents per capita by tradition
Catholic
36.2%
Evangelical Protestant
9.6%
Muslim
7.6%
Mainline Protestant
5.8%
Hindu
1.2%
Orthodox Christian
1.2%
Other Christian
0.6%
Latter-day Saints
0.4%
Black Protestant
0.4%
Buddhist
0.4%
Jewish
0.1%
Other faiths
0.1%
Unaffiliated or not counted36.4%
Source · 2020 US Religion Census. The unaffiliated-or-not-counted share is everyone not claimed as an adherent by any reporting body — uncounted congregations as well as the religiously unaffiliated.

Willowbrook sits in the Upper Midwest. In 2024 it voted Democratic.

Across the recorded series it reached a Democratic high of 10.3 points in 2020 and a Republican high of 5.8 points in 2012. Between 2020 and 2024 the city moved 4.2 points toward the Republican candidate; the 2024 margin was 6.2 points.

A population of 9,131, a 69% non-Hispanic-white share, and a median household income of $99,239 describe the city.

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.
Willowbrook, Illinois. Akashic. https://akashic.app/city/1781919/. Accessed May 20, 2026. License: CC BY 4.0.
License: CC BY 4.0

Frequently asked questions

How did Willowbrook, Illinois vote in 2024?
In 2024, Willowbrook, Illinois voted Democratic by 6.2 points (D+6.2), carried by the Democratic candidate. Out of 4,677 votes cast, 2,402 went Democratic and 2,113 went Republican.
What is Willowbrook, Illinois's political typology?
Akashic places Willowbrook, Illinois in the "" typology. 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 5 elections in the dataset, the city has voted Democratic 4 times, Republican 1 times, and other 0 times.
When did Willowbrook, Illinois last vote Republican?
The most recent presidential election in which Willowbrook, Illinois voted Republican was 2012.
How many people live in Willowbrook, Illinois?
Willowbrook, Illinois has a population of 9,131 according to the 2024 American Community Survey 5-year estimates from the US Census Bureau.
What is the median household income in Willowbrook, Illinois?
Median household income in Willowbrook, Illinois is $99,239 — above the national median of $80,734. The Illinois state median is $83,390.
What is the political history of Willowbrook, Illinois?
Akashic tracks 5 presidential elections in Willowbrook, Illinois from 2008 to 2024. Of those, 4 went Democratic and 1 went Republican. The city's typology — "" — captures where that record, its demographics, and its recent swing place it among American communities.