Clarendon County's 2026 population is estimated at 31,033, reflecting a -0.03% growth rate over the past year (World Population Review estimate based on U.S. Census Bureau data). Clarendon County is the 30th largest county in South Carolina. The 2010 population was 34,947 and has grown -11.2% since 2010.
Overall: 45.9 years
Female: 49.6 years
Male: 43.2 years
There are 25,344 adults, (7,727 of whom are seniors) in Clarendon County.
Female: 15,646 (50.5%)
Male: 15,340 (49.5%)
The racial composition of Clarendon County includes 50.56% White, 44.17% Black or African American, and smaller percentages for Two or more races, other race, Asian, Native American and multiracial populations.
| Race | Population ↓ | Percentage (of total) |
|---|---|---|
| White | 15,667 | 50.56% |
| Black or African American | 13,687 | 44.17% |
| Two or more races | 917 | 2.96% |
| Other race | 334 | 1.08% |
| Asian | 260 | 0.84% |
| Native American | 121 | 0.39% |
Clarendon County 's average per capita income is $36,826. Household income levels show a median of $52,401. The poverty rate stands at 15.43%.
| Name | Median ↓ | Mean |
|---|---|---|
| Married Families | $80,333 | - |
| Families | $70,000 | $86,427 |
| Households | $52,401 | $70,670 |
| Non Families | $25,137 | $38,380 |
Average Income
Median Household Income
Poverty Rate