Total Population in Union County, SC
ACS 2024 5-Year Estimates
How Union County Compares
National Distribution
Where Union County falls among all 3,222 U.S. counties for total population.
■ Union County: 26,885
Ranking Context
| Rank | County | Value |
|---|---|---|
| #1,581 | McDonough County, IL | 26,920 |
| #1,582 | Oceana County, MI | 26,915 |
| #1,583 | Geneva County, AL | 26,887 |
| #1,584 | Union County, SC | 26,885 |
| #1,585 | Mineral County, WV | 26,854 |
| #1,586 | San Miguel County, NM | 26,850 |
| #1,587 | Cibola County, NM | 26,845 |
Total Population in Union County, South Carolina
Union County, South Carolina has a total population of 26,885, which ranks #1,584 of 3,222 out of 3,222 counties nationwide. This is 100.0% below the national value of 330M.
Within South Carolina, Union County ranks #35 of 46 out of 46 counties. This places it in the 51th percentile nationally.
Total population count from the American Community Survey. All data comes from the U.S. Census Bureau's American Community Survey (ACS) 5-Year Estimates for 2024.
About this data
Source: U.S. Census Bureau, American Community Survey 5-Year Estimates (2024). All values are estimates derived from survey samples and are subject to margin of error. For more information, see our methodology.