| Kamala Harris ✓Democratic | 56.6% | 4,189 |
|---|---|---|
| Donald TrumpRepublican | 40.5% | 2,996 |
| OtherAll other candidates | 2.9% | 212 |
| Year | Margin (D minus R) |
|---|---|
| 2008 | +12.2% |
| 2012 | +6.2% |
| 2016 | +14.2% |
| 2020 | +20.6% |
| 2024 | +16.1% |
| Year | Won | Democratic | Republican | Other | Margin | Total |
|---|---|---|---|---|---|---|
| D | 56.6%Harris4,189 | 40.5%Trump2,996 | 2.9% | 7,397 | ||
| D | 58.9%Biden4,353 | 38.3%Trump2,829 | 2.8%incl. Jorgensen | 7,388 | ||
| D | 52.5%Clinton3,409 | 38.3%Trump2,488 | 9.2%incl. Johnson | 6,491 | ||
| D | 53.1%Obama3,036 | 46.9%Romney2,681 | 0.0% | 5,717 | ||
| D | 55.2%Obama3,429 | 43.0%McCain2,670 | 1.9% | 6,215 |
Demographics
Demographic Profile
Key indicators compared across containing geographies
| Indicator | WarrenvilleCity | IllinoisState | United StatesNation |
|---|---|---|---|
| Race & Ethnicity | |||
| White | 64.2% | 61.0% | 61.0% |
| Black | 5.2% | 13.6% | 12.2% |
| Asian | 6.7% | 6.0% | 6.0% |
| Two or more races | 8.0% | 10.9% | 12.6% |
| Other race | 15.8% | 8.6% | 8.2% |
| Hispanic or Latino | 25.6% | 18.8% | 19.3% |
| Income & Age | |||
| Median household income | $100,321 | $83,390 | $84,427 |
| Poverty rate | 11.3% | 11.8% | 12.5% |
| Median age | 36.5 | 39.1 | 39.1 |
| Age 18–24 | 8.3% | 9.1% | 9.2% |
| Age 65 and older | 17.3% | 16.9% | 17.2% |
| Education & Language | |||
| Bachelor's degree or higher (25+) | 51.8% | 37.9% | 35.6% |
| Speaks a non-English language at home | 29.6% | 24.1% | 22.3% |
| Spanish | 11.5% | 14.0% | 13.6% |
| Other Indo-European | 7.1% | 2.6% | 2.0% |
| Russian, Polish, or other Slavic | 3.9% | 2.5% | 0.7% |
| Other Asian & Pacific Island | 2.2% | 1.0% | 1.1% |
| Ancestry | |||
| Largest ancestry | German 16.1% | German 16.1% | German 12.5% |
| 2nd-largest ancestry | Irish 13.0% | Mexican 14.4% | Mexican 11.3% |
| 3rd-largest ancestry | Mexican 11.9% | Irish 10.6% | English 9.5% |
| Religion | |||
| Catholic | 36.2%County context | 24.2% | 18.6% |
| Evangelical Protestant | 9.6%County context | 11.7% | 16.5% |
| Unaffiliated or unclaimed | 36.4%County context | 49.2% | 51.5% |
| Muslim | 7.6%County context | 3.7% | 1.3% |
| Mainline Protestant | 5.8%County context | 5.3% | 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.
Warrenville sits in the Upper Midwest. In 2024 it voted Democratic.
Across the recorded series it reached a Democratic high of 20.6 points in 2020. Between 2020 and 2024 the city moved 4.5 points toward the Republican candidate; the 2024 margin was 16.1 points.
A population of 14,718, a 64% non-Hispanic-white share, and a median household income of $100,321 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 →
Warrenville, Illinois. Akashic. https://akashic.app/city/1778929/. Accessed May 20, 2026. License: CC BY 4.0.