Chester County's 2026 population is estimated at 33,455, reflecting a 1.38% growth rate over the past year (World Population Review estimate based on U.S. Census Bureau data). Chester County is the 29th largest county in South Carolina. The 2010 population was 33,163 and has grown 0.88% since 2010.
Overall: 42.4 years
Female: 43 years
Male: 41.2 years
There are 24,999 adults, (6,189 of whom are seniors) in Chester County.
Female: 16,588 (51.5%)
Male: 15,594 (48.5%)
The racial composition of Chester County includes 58.22% White, 34.75% Black or African American, and smaller percentages for other race, Asian, Native American, Native Hawaiian or Pacific Islander and multiracial populations.
| Race | Population ↓ | Percentage (of total) |
|---|---|---|
| White | 18,737 | 58.22% |
| Black or African American | 11,183 | 34.75% |
| Two or more races | 1,660 | 5.16% |
| Other race | 416 | 1.29% |
| Asian | 126 | 0.39% |
| Native American | 49 | 0.15% |
| Native Hawaiian or Pacific Islander | 11 | 0.03% |
Chester County 's average per capita income is $39,183. Household income levels show a median of $52,458. The poverty rate stands at 18.68%.
| Name | Median ↓ | Mean |
|---|---|---|
| Married Families | $80,325 | - |
| Families | $63,913 | $78,126 |
| Households | $52,458 | $68,310 |
| Non Families | $31,981 | $40,206 |
Average Income
Median Household Income
Poverty Rate