| Donald Trump ✓Republican | 49.1% | 2,563 |
|---|---|---|
| Kamala HarrisDemocratic | 48.8% | 2,547 |
| OtherAll other candidates | 2.0% | 105 |
| Year | Margin (D minus R) |
|---|---|
| 2008 | +20.1% |
| 2012 | +8.9% |
| 2016 | +0.6% |
| 2020 | +2.5% |
| 2024 | −0.3% |
| Year | Won | Democratic | Republican | Other | Margin | Total |
|---|---|---|---|---|---|---|
| R | 48.8%Harris2,547 | 49.1%Trump2,563 | 2.0% | 5,215 | ||
| D | 50.3%Biden2,692 | 47.8%Trump2,560 | 2.0%incl. Jorgensen | 5,357 | ||
| D | 46.6%Clinton2,328 | 46.0%Trump2,299 | 7.4%incl. Johnson | 4,995 | ||
| D | 54.5%Obama2,649 | 45.5%Romney2,214 | 0.0% | 4,863 | ||
| D | 58.9%Obama3,012 | 38.8%McCain1,982 | 2.3% | 5,114 |
Demographics
Demographic Profile
Key indicators compared across containing geographies
| Indicator | PeruCity | IllinoisState | United StatesNation |
|---|---|---|---|
| Race & Ethnicity | |||
| White | 89.1% | 61.0% | 61.0% |
| Black | 0.6% | 13.6% | 12.2% |
| Asian | 0.8% | 6.0% | 6.0% |
| Two or more races | 4.8% | 10.9% | 12.6% |
| Other race | 4.8% | 8.6% | 8.2% |
| Hispanic or Latino | 10.9% | 18.8% | 19.3% |
| Income & Age | |||
| Median household income | $74,808 | $83,390 | $84,427 |
| Poverty rate | 9.0% | 11.8% | 12.5% |
| Median age | 45.7 | 39.1 | 39.1 |
| Age 18–24 | 7.8% | 9.1% | 9.2% |
| Age 65 and older | 20.0% | 16.9% | 17.2% |
| Education & Language | |||
| Bachelor's degree or higher (25+) | 20.5% | 37.9% | 35.6% |
| Speaks a non-English language at home | 7.9% | 24.1% | 22.3% |
| Spanish | 5.9% | 14.0% | 13.6% |
| Ancestry | |||
| Largest ancestry | German 24.6% | German 16.1% | German 12.5% |
| 2nd-largest ancestry | Irish 16.1% | Mexican 14.4% | Mexican 11.3% |
| 3rd-largest ancestry | Mexican 9.7% | Irish 10.6% | English 9.5% |
| Religion | |||
| Catholic | 19.5%County context | 24.2% | 18.6% |
| Evangelical Protestant | 10.7%County context | 11.7% | 16.5% |
| Unaffiliated or unclaimed | 60.7%County context | 49.2% | 51.5% |
| Mainline Protestant | 7.9%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.
Peru sits in the Upper Midwest. In 2024 it voted Republican.
Across the recorded series it reached a Democratic high of 20.1 points in 2008 and a Republican high of 0.3 points in 2024. Between 2020 and 2024 the city moved 2.8 points toward the Republican candidate; the 2024 margin was 0.3 points.
A population of 9,775, a 89% non-Hispanic-white share, and a median household income of $74,808 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 →
Peru, Illinois. Akashic. https://akashic.app/city/1759234/. Accessed May 20, 2026. License: CC BY 4.0.