Total Population in Union County, SC
ACS 2024 5-Year Estimates
26,885
Rank #1,584/3,222 · #35 in SC
51th
Union 26,885
SC 5,296,225 -99.5%
US 330M
Total Population Trend
Rankings →Percentile Rank Over Time
Year-over-Year Population Change
National Distribution
How Union County's total population of 26,885 compares to all 3,222 U.S. counties. Values range from 33 to 9,808,667.
Distribution of Total Population Across All Counties
Ranking Context
Counties ranked closest to Union County for total population.
Nearby Rankings
Full ranking →| #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 |
About Total Population
Union County, South Carolina has a total population of 26,885, ranking #1,584 of 3,222 counties nationwide — 100.0% below the national value of 330M. Within South Carolina, it ranks #35 of 46. This places it in the 51th percentile nationally.
Total population count from the American Community Survey. Source: U.S. Census Bureau, American Community Survey 2024 5-Year Estimates. All values are estimates derived from survey samples and are subject to margin of error. For more information, see our methodology.