| Donald Trump ✓Republican | 66.7% | 4,290 |
|---|---|---|
| Kamala HarrisDemocratic | 31.6% | 2,031 |
| OtherAll other candidates | 1.7% | 110 |
| Year | Margin (D minus R) |
|---|---|
| 2008 | +13.9% |
| 2012 | +2.4% |
| 2016 | −28.8% |
| 2020 | −30.8% |
| 2024 | −35.1% |
| Year | Won | Margin | Democratic | Republican | Total |
|---|---|---|---|---|---|
| R | 2,031 | 4,290 | 6,431 | ||
| R | 2,229 | 4,282 | 6,666 | ||
| R | 2,064 | 3,932 | 6,492 | ||
| D | 3,098 | 2,952 | 6,050 | ||
| D | 4,091 | 3,074 | 7,308 |
Demographics
Demographic Profile
Key indicators compared across containing geographies
| Indicator | New CastleCity | IndianaState | United StatesNation |
|---|---|---|---|
| Race & Ethnicity | |||
| White | 90.0% | 77.1% | 61.0% |
| Black | 3.5% | 9.2% | 12.2% |
| Asian | 0.7% | 2.6% | 6.0% |
| Two or more races | 4.5% | 7.3% | 12.6% |
| Other race | 1.4% | 3.7% | 8.2% |
| Hispanic or Latino | 2.2% | 8.6% | 19.3% |
| Income & Age | |||
| Median household income | $51,606 | $71,957 | $84,427 |
| Poverty rate | 20.1% | 12.4% | 12.5% |
| Median age | 41.2 | 38.2 | 39.1 |
| Age 18–24 | 7.9% | 9.6% | 9.2% |
| Age 65 and older | 19.6% | 16.7% | 17.2% |
| Education & Language | |||
| Bachelor's degree or higher (25+) | 13.3% | 29.5% | 35.7% |
| Speaks a non-English language at home | 1.8% | 10.3% | 22.3% |
| Spanish | 1.0% | 5.5% | 13.6% |
| Ancestry | |||
| Largest ancestry | German 16.9% | German 19.5% | German 12.5% |
| 2nd-largest ancestry | English 16.3% | English 11.3% | English 9.5% |
| 3rd-largest ancestry | Irish 10.7% | Irish 10.1% | Irish 9.4% |
| Religion | |||
| Catholic | 0.9%County context | 11.5% | 18.6% |
| Evangelical Protestant | 20.5%County context | 18.0% | 16.5% |
| Unaffiliated or unclaimed | 70.7%County context | 57.9% | 51.5% |
| Mainline Protestant | 6.3%County context | 7.1% | 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.
New Castle sits in the Upper Midwest. In 2024 it voted Republican.
Across the recorded series it reached a Democratic high of 13.9 points in 2008 and a Republican high of 35.1 points in 2024. Between 2020 and 2024 the city moved 4.3 points toward the Republican candidate; the 2024 margin was 35.1 points.
A population of 17,367, a 90% non-Hispanic-white share, and a median household income of $51,606 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 →
New Castle, Indiana. Akashic. https://akashic.app/city/1852740/. Accessed May 20, 2026. License: CC BY 4.0.