Chesterfield County's 2026 population is estimated at 45,224, reflecting a 0.82% growth rate over the past year (World Population Review estimate based on U.S. Census Bureau data). Chesterfield County is the 25th largest county in South Carolina. The 2010 population was 46,612 and has grown -2.98% since 2010.
Data after 2023 is projected based on recent change
Overall: 42 years
Female: 43.2 years
Male: 41.2 years
There are 34,075 adults, (8,332 of whom are seniors) in Chesterfield County.
Female: 22,455 (51.3%)
Male: 21,329 (48.7%)
The racial composition of Chesterfield County includes 60.44% White, 30.07% Black or African American, and smaller percentages for other race, Native American, Asian and multiracial populations.
| Race | Population ↓ | Percentage (of total) |
|---|---|---|
| White | 26,464 | 60.44% |
| Black or African American | 13,165 | 30.07% |
| Two or more races | 2,636 | 6.02% |
| Other race | 1,030 | 2.35% |
| Native American | 287 | 0.66% |
| Asian | 202 | 0.46% |
Chesterfield County 's average per capita income is $39,411. Household income levels show a median of $49,235. The poverty rate stands at 20.34%.
| Name | Median ↓ | Mean |
|---|---|---|
| Married Families | $84,205 | $98,994 |
| Families | $63,620 | $81,774 |
| Households | $49,235 | $69,908 |
| Non Families | $28,400 | $46,769 |
Average Income
Median Household Income
Poverty Rate