| Donald Trump ✓Republican | 78.3% | 3,101 |
|---|---|---|
| Kamala HarrisDemocratic | 20.8% | 823 |
| OtherAll other candidates | 0.9% | 34 |
| Year | Margin (D minus R) |
|---|---|
| 2008 | −24.6% |
| 2012 | −31.6% |
| 2016 | −51.2% |
| 2020 | −55.2% |
| 2024 | −57.6% |
| Year | Won | Margin | Democratic | Republican | Total |
|---|---|---|---|---|---|
| R | 823 | 3,101 | 3,958 | ||
| R | 874 | 3,111 | 4,049 | ||
| R | 810 | 2,665 | 3,626 | ||
| R | 1,190 | 2,291 | 3,481 | ||
| R | 1,327 | 2,220 | 3,626 |
Demographics
Demographic Profile
Key indicators compared across containing geographies
| Indicator | St. MarysCity | OhioState | United StatesNation |
|---|---|---|---|
| Race & Ethnicity | |||
| White | 91.2% | 76.8% | 61.0% |
| Black | 1.7% | 12.2% | 12.2% |
| Asian | 0.1% | 2.6% | 6.0% |
| Two or more races | 6.8% | 6.5% | 12.6% |
| Other race | 0.2% | 2.0% | 8.2% |
| Hispanic or Latino | 5.9% | 4.8% | 19.3% |
| Income & Age | |||
| Median household income | $79,516 | $71,389 | $84,427 |
| Poverty rate | 6.6% | 13.3% | 12.5% |
| Median age | 36.6 | 39.8 | 39.1 |
| Age 18–24 | 7.7% | 8.9% | 9.2% |
| Age 65 and older | 19.6% | 18.3% | 17.2% |
| Education & Language | |||
| Bachelor's degree or higher (25+) | 17.5% | 31.5% | 35.7% |
| Speaks a non-English language at home | 0.3% | 8.0% | 22.3% |
| Ancestry | |||
| Largest ancestry | German 44.3% | German 22.3% | German 12.5% |
| 2nd-largest ancestry | Irish 10.7% | Irish 12.3% | English 9.5% |
| 3rd-largest ancestry | English 7.1% | English 11.0% | Irish 9.4% |
| Religion | |||
| Catholic | 25.1%County context | 15.4% | 18.6% |
| Evangelical Protestant | 12.8%County context | 19.5% | 16.5% |
| Unaffiliated or unclaimed | 47.9%County context | 52.2% | 51.5% |
| Mainline Protestant | 13.2%County context | 7.0% | 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.
St. Marys sits in the Industrial Midwest. In 2024 it voted Republican.
Across the recorded series it reached a Republican high of 57.6 points in 2024. Between 2020 and 2024 the city moved 2.3 points toward the Republican candidate; the 2024 margin was 57.6 points.
A population of 8,301, a 91% non-Hispanic-white share, and a median household income of $79,516 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 →
St. Marys, Ohio. Akashic. https://akashic.app/city/3969680/. Accessed May 20, 2026. License: CC BY 4.0.