City in Union County, South Carolina · 8 sq mi · 1,005 people per sq mi
8,033 people live in Union. The typical household earns $31,914, and the median resident is 45.5 years old.
2026 projection
From 8,174 in 2020
Poverty rate 28.87%
Men 42.8 · Women 47.1
1850–2026
8,033
2026 projection
1.7% since 2020 (decrease)
Source: U.S. Census Bureau decennial counts and annual estimates, including 2010–2020 intercensal estimates. 2026 is a projection. Values between recorded years are interpolated.
Use the left and right arrow keys to inspect population observations.
1850–2026
8,033
2026 projection
1.7% since 2020 (decrease)
Source: U.S. Census Bureau decennial counts and annual estimates, including 2010–2020 intercensal estimates. 2026 is a projection. Values between recorded years are interpolated.
Use the left and right arrow keys to inspect population observations.
| 2026 | 8,033 | -44 | 0.54% |
|---|---|---|---|
| 2025 | 8,077 | +40 | 0.50% |
| 2024 | 8,037 | -8 | 0.10% |
| 2023 | 8,045 | -19 | 0.24% |
| 2022 | 8,064 | -87 | 1.07% |
| 2021 | 8,151 | -23 | 0.28% |
| 2020 | 8,174 | -28 | 0.34% |
| 2019 | 8,202 | +3 | 0.04% |
| 2018 | 8,199 | -12 | 0.15% |
| 2017 | 8,211 | -49 | 0.59% |
Showing 10 of 31 years.
The 2020 row compares the April 1 Census count with the July 1, 2019 estimate (about nine months). Its Growth and Annual change therefore do not represent a full year.
Union has a population change lower than Union County, South Carolina, and the U.S.
Change from July 1, 2020 to July 1, 2025 population estimates—not annualized growth or site projections.
Source: U.S. Census Bureau. U.S. totals are summed from the 50 states and D.C.; unavailable comparisons are omitted.
U.S. Census Bureau, 2024 ACS 5-year estimates · Table S0101
Each square is about 1% of residents (roughly 81 people).
Hispanic or Latino residents can be of any race. All other groups exclude Hispanic residents.
U.S. Census Bureau, 2024 ACS 5-year estimates · Table B03002
Half of households earn more, half earn less
Typical yearly pay for a worker 25 or older.
About 1 in 3 residents
29% of residents age 15 and older are married.
| Status | Overall | Male | Female |
|---|---|---|---|
| Married | 29% | 32% | 27% |
| Never married | 40% | 39% | 41% |
| Divorced | 13% | 14% | 12% |
| Widowed | 12% | 8% | 16% |
| Separated | 6% | 8% | 4% |
U.S. Census Bureau, 2024 ACS 5-year estimates · Table S1201
14 sources