| Donald Trump ✓Republican | 56.5% | 12,952 |
|---|---|---|
| Kamala HarrisDemocratic | 41.6% | 9,541 |
| OtherAll other candidates | 1.9% | 427 |
| Year | Margin (D minus R) |
|---|---|
| 2008 | −20.4% |
| 2012 | −21.8% |
| 2016 | −20.0% |
| 2020 | −12.0% |
| 2024 | −14.9% |
| Year | Won | Democratic | Republican | Other | Margin | Total |
|---|---|---|---|---|---|---|
| R | 41.6%Harris9,541 | 56.5%Trump12,952 | 1.9% | 22,920 | ||
| R | 43.0%Biden10,388 | 55.0%Trump13,296 | 2.1%incl. Jorgensen | 24,184 | ||
| R | 36.6%Clinton7,185 | 56.6%Trump11,100 | 6.8%incl. Johnson | 19,609 | ||
| R | 39.1%Obama7,153 | 60.9%Romney11,152 | 0.0% | 18,305 | ||
| R | 39.0%Obama7,093 | 59.4%McCain10,803 | 1.6% | 18,189 |
Demographics
Demographic Profile
Key indicators compared across containing geographies
| Indicator | SummervilleCity | South CarolinaState | United StatesNation |
|---|---|---|---|
| Race & Ethnicity | |||
| White | 65.3% | 63.3% | 61.0% |
| Black | 19.9% | 24.8% | 12.2% |
| Asian | 1.9% | 1.8% | 6.0% |
| Two or more races | 9.2% | 6.9% | 12.6% |
| Other race | 3.5% | 3.2% | 8.2% |
| Hispanic or Latino | 9.1% | 7.4% | 19.3% |
| Income & Age | |||
| Median household income | $81,046 | $69,324 | $84,427 |
| Poverty rate | 10.1% | 14.1% | 12.5% |
| Median age | 38.9 | 40.5 | 39.1 |
| Age 18–24 | 7.9% | 9.1% | 9.2% |
| Age 65 and older | 15.2% | 18.9% | 17.2% |
| Education & Language | |||
| Bachelor's degree or higher (25+) | 30.5% | 32.1% | 35.6% |
| Speaks a non-English language at home | 7.7% | 8.4% | 22.3% |
| Spanish | 4.8% | 5.2% | 13.6% |
| Ancestry | |||
| Largest ancestry | English 12.9% | English 12.1% | German 12.5% |
| 2nd-largest ancestry | German 10.5% | German 9.4% | Mexican 11.3% |
| 3rd-largest ancestry | Irish 8.6% | Irish 9.1% | English 9.5% |
| Religion | |||
| Catholic | 10.8%County context | 8.0% | 18.6% |
| Evangelical Protestant | 17.3%County context | 28.6% | 16.5% |
| Unaffiliated or unclaimed | 58.4%County context | 47.5% | 51.5% |
| Mainline Protestant | 7.8%County context | 7.4% | 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.
Summerville sits in the Deep South. In 2024 it voted Republican.
Across the recorded series it reached a Republican high of 21.8 points in 2012. Between 2020 and 2024 the city moved 2.9 points toward the Republican candidate; the 2024 margin was 14.9 points.
A population of 51,654, a 65% non-Hispanic-white share, and a median household income of $81,046 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 →
Summerville, South Carolina. Akashic. https://akashic.app/city/4570270/. Accessed May 20, 2026. License: CC BY 4.0.