| Kamala Harris ✓Democratic | 52.0% | 2,990 |
|---|---|---|
| Donald TrumpRepublican | 46.9% | 2,696 |
| OtherAll other candidates | 1.1% | 64 |
| Year | Margin (D minus R) |
|---|---|
| 2008 | +7.7% |
| 2012 | −3.2% |
| 2016 | +9.9% |
| 2020 | +9.1% |
| 2024 | +5.1% |
| Year | Won | Margin | Democratic | Republican | Total |
|---|---|---|---|---|---|
| D | 2,990 | 2,696 | 5,750 | ||
| D | 3,448 | 2,864 | 6,398 | ||
| D | 2,886 | 2,337 | 5,556 | ||
| R | 2,438 | 2,600 | 5,038 | ||
| D | 2,938 | 2,516 | 5,511 |
Demographics
Demographic Profile
Key indicators compared across containing geographies
| Indicator | Prospect HeightsCity | IllinoisState | United StatesNation |
|---|---|---|---|
| Race & Ethnicity | |||
| White | 63.5% | 61.0% | 61.0% |
| Black | 0.6% | 13.6% | 12.2% |
| Asian | 9.0% | 6.0% | 6.0% |
| Two or more races | 13.0% | 10.9% | 12.6% |
| Other race | 13.9% | 8.6% | 8.2% |
| Hispanic or Latino | 25.8% | 18.8% | 19.3% |
| Income & Age | |||
| Median household income | $85,008 | $83,390 | $84,427 |
| Poverty rate | 7.3% | 11.8% | 12.5% |
| Median age | 42.8 | 39.1 | 39.1 |
| Age 18–24 | 8.7% | 9.1% | 9.2% |
| Age 65 and older | 16.0% | 16.9% | 17.2% |
| Education & Language | |||
| Bachelor's degree or higher (25+) | 41.3% | 37.8% | 35.7% |
| Speaks a non-English language at home | 51.9% | 24.0% | 22.3% |
| Spanish | 21.2% | 14.0% | 13.6% |
| Russian, Polish, or other Slavic | 20.2% | 2.5% | 0.7% |
| Other Asian & Pacific Island | 3.4% | 1.0% | 1.1% |
| Other Indo-European | 2.5% | 2.6% | 2.0% |
| Ancestry | |||
| Largest ancestry | German 9.0% | German 16.1% | German 12.5% |
| 2nd-largest ancestry | Irish 8.4% | Irish 10.6% | English 9.5% |
| 3rd-largest ancestry | Polish 7.0% | English 6.9% | Irish 9.4% |
| Religion | |||
| Catholic | 28.9%County context | 24.2% | 18.6% |
| Evangelical Protestant | 7.3%County context | 11.7% | 16.5% |
| Unaffiliated or unclaimed | 45.8%County context | 49.2% | 51.5% |
| Muslim | 5.9%County context | 3.7% | 1.3% |
| Black Protestant | 5.4%County context | 3.0% | 2.2% |
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.
Prospect Heights sits in the Upper Midwest. In 2024 it voted Democratic.
Across the recorded series it reached a Democratic high of 9.9 points in 2016 and a Republican high of 3.2 points in 2012. Between 2020 and 2024 the city moved 4.0 points toward the Republican candidate; the 2024 margin was 5.1 points.
A population of 15,618, a 64% non-Hispanic-white share, and a median household income of $85,008 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 →
Prospect Heights, Illinois. Akashic. https://akashic.app/city/1762016/. Accessed May 20, 2026. License: CC BY 4.0.