Sumter city, South Carolina
Official LSAD Designation: Sumter city • Census GEOID: 4570405
• Sumter County
Demographics & Population Profile
Population and demographics for Sumter city.
| Demographic Variable | Estimate / Count | Margin of Error | Period | Source |
|---|---|---|---|---|
| Total Population (2025 PEP Estimate) | 43,094 | — | 2025 | Census |
| Median Age | 33.6 yrs | ±1.6 | 2020-2024 | Census ACS 5-Year 2024 |
| Total Households | 16,081 | ±642 | 2020-2024 | Census ACS 5-Year 2024 |
Source: U.S. Census Bureau (PEP, ACS 5-Year).