| Donald Trump ✓Republican | 52.2% | 1,682 |
|---|---|---|
| Kamala HarrisDemocratic | 46.9% | 1,510 |
| OtherAll other candidates | 0.9% | 29 |
| Year | Margin (D minus R) |
|---|---|
| 2008 | +11.7% |
| 2012 | +18.6% |
| 2016 | +14.3% |
| 2020 | +6.8% |
| 2024 | −5.3% |
| Year | Won | Democratic | Republican | Other | Margin | Total |
|---|---|---|---|---|---|---|
| R | 46.9%Harris1,510 | 52.2%Trump1,682 | 0.9% | 3,221 | ||
| D | 52.8%Biden1,892 | 46.1%Trump1,650 | 1.1%incl. Jorgensen | 3,580 | ||
| D | 55.9%Clinton1,695 | 41.7%Trump1,263 | 2.4%incl. Johnson | 3,030 | ||
| D | 59.3%Obama2,025 | 40.7%Romney1,390 | 0.0% | 3,415 | ||
| D | 55.1%Obama1,957 | 43.4%McCain1,542 | 1.4% | 3,549 |
Demographics
Demographic Profile
Key indicators compared across containing geographies
| Indicator | UnionCity | South CarolinaState | United StatesNation |
|---|---|---|---|
| Race & Ethnicity | |||
| White | 51.6% | 63.3% | 61.0% |
| Black | 44.0% | 24.8% | 12.2% |
| Asian | 0.1% | 1.8% | 6.0% |
| Two or more races | 2.4% | 6.9% | 12.6% |
| Other race | 1.9% | 3.2% | 8.2% |
| Hispanic or Latino | 4.2% | 7.4% | 19.3% |
| Income & Age | |||
| Median household income | $31,914 | $69,324 | $84,427 |
| Poverty rate | 28.9% | 14.1% | 12.5% |
| Median age | 45.5 | 40.5 | 39.1 |
| Age 18–24 | 7.1% | 9.1% | 9.2% |
| Age 65 and older | 21.5% | 18.9% | 17.2% |
| Education & Language | |||
| Bachelor's degree or higher (25+) | 15.0% | 32.1% | 35.6% |
| Speaks a non-English language at home | 2.4% | 8.4% | 22.3% |
| Spanish | 1.8% | 5.2% | 13.6% |
| Ancestry | |||
| Largest ancestry | American 10.9% | English 12.1% | German 12.5% |
| 2nd-largest ancestry | English 8.9% | German 9.4% | Mexican 11.3% |
| 3rd-largest ancestry | Irish 7.9% | Irish 9.1% | English 9.5% |
| Religion | |||
| Catholic | 0.7%County context | 8.0% | 18.6% |
| Evangelical Protestant | 54.1%County context | 28.6% | 16.5% |
| Unaffiliated or unclaimed | 21.9%County context | 47.5% | 51.5% |
| Black Protestant | 12.0%County context | 5.8% | 2.2% |
| Mainline Protestant | 8.6%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.
Union sits in the Deep South. In 2024 it voted Republican.
Across the recorded series it reached a Democratic high of 18.6 points in 2012 and a Republican high of 5.3 points in 2024. Between 2020 and 2024 the city moved 12.1 points toward the Republican candidate; the 2024 margin was 5.3 points.
A population of 8,079, a 52% non-Hispanic-white share, and a median household income of $31,914 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 →
Union, South Carolina. Akashic. https://akashic.app/city/4573105/. Accessed May 20, 2026. License: CC BY 4.0.