| Donald Trump ✓Republican | 64.8% | 1,568 |
|---|---|---|
| Kamala HarrisDemocratic | 32.7% | 791 |
| OtherAll other candidates | 2.6% | 62 |
| Year | Margin (D minus R) |
|---|---|
| 2008 | +11.0% |
| 2012 | −2.4% |
| 2016 | −29.9% |
| 2020 | −31.3% |
| 2024 | −32.1% |
| Year | Won | Democratic | Republican | Other | Margin | Total |
|---|---|---|---|---|---|---|
| R | 32.7%Harris791 | 64.8%Trump1,568 | 2.6% | 2,421 | ||
| R | 33.1%Biden823 | 64.4%Trump1,602 | 2.5%incl. Jorgensen | 2,488 | ||
| R | 31.1%Clinton753 | 60.9%Trump1,477 | 8.0%incl. Johnson | 2,425 | ||
| R | 48.8%Obama1,075 | 51.2%Romney1,127 | 0.0% | 2,202 | ||
| D | 54.1%Obama1,301 | 43.1%McCain1,036 | 2.8% | 2,404 |
Demographics
Demographic Profile
Key indicators compared across containing geographies
| Indicator | HillsboroCity | IllinoisState | United StatesNation |
|---|---|---|---|
| Race & Ethnicity | |||
| White | 79.1% | 61.0% | 61.0% |
| Black | 12.7% | 13.6% | 12.2% |
| Asian | 0.4% | 6.0% | 6.0% |
| Two or more races | 5.8% | 10.9% | 12.6% |
| Other race | 1.8% | 8.6% | 8.2% |
| Hispanic or Latino | 5.7% | 18.8% | 19.3% |
| Income & Age | |||
| Median household income | $50,158 | $83,390 | $84,427 |
| Poverty rate | 11.6% | 11.8% | 12.5% |
| Median age | 40.4 | 39.1 | 39.1 |
| Age 18–24 | 7.0% | 9.1% | 9.2% |
| Age 65 and older | 21.6% | 16.9% | 17.2% |
| Education & Language | |||
| Bachelor's degree or higher (25+) | 18.3% | 37.9% | 35.6% |
| Speaks a non-English language at home | 2.5% | 24.1% | 22.3% |
| Spanish | 1.5% | 14.0% | 13.6% |
| Ancestry | |||
| Largest ancestry | German 29.0% | German 16.1% | German 12.5% |
| 2nd-largest ancestry | Irish 12.9% | Mexican 14.4% | Mexican 11.3% |
| 3rd-largest ancestry | American 12.1% | Irish 10.6% | English 9.5% |
| Religion | |||
| Catholic | 7.7%County context | 24.2% | 18.6% |
| Evangelical Protestant | 23.2%County context | 11.7% | 16.5% |
| Unaffiliated or unclaimed | 59.8%County context | 49.2% | 51.5% |
| Mainline Protestant | 8.6%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.
Hillsboro sits in the Upper Midwest. In 2024 it voted Republican.
Across the recorded series it reached a Democratic high of 11.0 points in 2008 and a Republican high of 32.1 points in 2024. Between 2020 and 2024 the city moved 0.8 points toward the Republican candidate; the 2024 margin was 32.1 points.
A population of 5,803, a 79% non-Hispanic-white share, and a median household income of $50,158 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 →
Hillsboro, Illinois. Akashic. https://akashic.app/city/1735047/. Accessed May 20, 2026. License: CC BY 4.0.