| Donald Trump ✓Republican | 59.8% | 4,612 |
|---|---|---|
| Kamala HarrisDemocratic | 39.2% | 3,023 |
| OtherAll other candidates | 1.1% | 82 |
| Year | Margin (D minus R) |
|---|---|
| 2008 | −16.0% |
| 2012 | −18.9% |
| 2016 | −23.5% |
| 2020 | −18.4% |
| 2024 | −20.6% |
| Year | Won | Democratic | Republican | Other | Margin | Total |
|---|---|---|---|---|---|---|
| R | 39.2%Harris3,023 | 59.8%Trump4,612 | 1.1% | 7,717 | ||
| R | 40.3%Biden2,981 | 58.8%Trump4,344 | 0.9%incl. Jorgensen | 7,389 | ||
| R | 36.8%Clinton2,296 | 60.3%Trump3,765 | 2.9%incl. Johnson | 6,240 | ||
| R | 40.5%Obama2,249 | 59.5%Romney3,300 | 0.0% | 5,549 | ||
| R | 41.4%Obama2,320 | 57.4%McCain3,213 | 1.2% | 5,598 |
Demographics
Demographic Profile
Key indicators compared across containing geographies
| Indicator | Jefferson HillsCity | PennsylvaniaState | United StatesNation |
|---|---|---|---|
| Race & Ethnicity | |||
| White | 89.6% | 74.5% | 61.0% |
| Black | 2.1% | 10.7% | 12.2% |
| Asian | 4.1% | 3.8% | 6.0% |
| Two or more races | 4.2% | 7.1% | 12.6% |
| Other race | 0.0% | 3.9% | 8.2% |
| Hispanic or Latino | 1.8% | 8.7% | 19.3% |
| Income & Age | |||
| Median household income | $116,064 | $77,971 | $84,427 |
| Poverty rate | 2.8% | 11.7% | 12.5% |
| Median age | 42.9 | 41.2 | 39.1 |
| Age 18–24 | 8.7% | 8.9% | 9.2% |
| Age 65 and older | 20.2% | 19.5% | 17.2% |
| Education & Language | |||
| Bachelor's degree or higher (25+) | 45.8% | 35.2% | 35.6% |
| Speaks a non-English language at home | 8.5% | 12.4% | 22.3% |
| Other Indo-European | 2.1% | 1.7% | 2.0% |
| Spanish | 1.9% | 5.6% | 13.6% |
| Other Asian & Pacific Island | 1.1% | 0.7% | 1.1% |
| Ancestry | |||
| Largest ancestry | German 22.3% | German 21.6% | German 12.5% |
| 2nd-largest ancestry | Irish 16.9% | Irish 14.8% | Mexican 11.3% |
| 3rd-largest ancestry | Italian 14.5% | Italian 10.6% | English 9.5% |
| Religion | |||
| Catholic | 36.7%County context | 21.9% | 18.6% |
| Evangelical Protestant | 7.6%County context | 9.3% | 16.5% |
| Unaffiliated or unclaimed | 39.2%County context | 53.1% | 51.5% |
| Mainline Protestant | 8.4%County context | 10.3% | 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.
Jefferson Hills sits in the Mid-Atlantic. In 2024 it voted Republican.
Across the recorded series it reached a Republican high of 23.5 points in 2016. Between 2020 and 2024 the city moved 2.1 points toward the Republican candidate; the 2024 margin was 20.6 points.
A population of 12,317, a 90% non-Hispanic-white share, and a median household income of $116,064 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 →
Jefferson Hills, Pennsylvania. Akashic. https://akashic.app/city/4237955/. Accessed May 20, 2026. License: CC BY 4.0.