Sumter County's 2026 population is estimated at 28,497, reflecting a -1.06% growth rate over the past year (World Population Review estimate based on U.S. Census Bureau data). Sumter County is the 70th largest county in Georgia. The 2010 population was 32,608 and has grown -12.61% since 2010.
Overall: 37.9 years
Female: 37.9 years
Male: 37.9 years
There are 22,550 adults, (5,152 of whom are seniors) in Sumter County.
Female: 15,520 (53.4%)
Male: 13,541 (46.6%)
The racial composition of Sumter County includes 49.85% Black or African American, 41.37% White, and smaller percentages for Asian, other race, Native American, Native Hawaiian or Pacific Islander and multiracial populations.
| Race | Population ↓ | Percentage (of total) |
|---|---|---|
| Black or African American | 14,487 | 49.85% |
| White | 12,022 | 41.37% |
| Two or more races | 1,742 | 5.99% |
| Asian | 378 | 1.3% |
| Other race | 352 | 1.21% |
| Native American | 56 | 0.19% |
| Native Hawaiian or Pacific Islander | 24 | 0.08% |
Sumter County 's average per capita income is $39,816. Household income levels show a median of $42,653. The poverty rate stands at 23.75%.
| Name | Median ↓ | Mean |
|---|---|---|
| Married Families | $78,019 | - |
| Families | $50,047 | $74,670 |
| Households | $42,653 | $68,394 |
| Non Families | $32,145 | $55,124 |
Average Income
Median Household Income
Poverty Rate
