Sumter County, South Carolina Demographics 2026
Sumter County, South Carolina has a population of 104,725, the 15th most populous county in South Carolina. The median household income is $56,693 and the median home value is $165,300. The poverty rate is 16.6%.
Data vintage: U.S. Census Bureau ACS 2020–2024 5-Year Estimates · refreshed July 2026 · Methodology & source notes
Sumter County Quick Facts
How Sumter County Changed
Change from the 2019–2023 ACS period to 2020–2024. These are rolling five-year estimates, not year-over-year measurements.
| Metric | 2019–2023 | 2020–2024 | Change |
|---|---|---|---|
| Population | 104,853 | 104,725 | -0.1% |
| Median household income | $55,990 | $56,693 | +1.3% |
| Median home value | $159,500 | $165,300 | +3.6% |
Median Household Income
Median Home Value
Economy & Housing
Household Income Distribution
Detailed income brackets
Employment
Housing Overview
People & Demographics
Age Distribution
Race & Ethnicity
Diversity Index
A diverse community with significant representation from multiple racial and ethnic groups.
State average: 55 | National average: 61
Education
Educational Attainment (Adults 25+)
Cities & Places in Sumter County
| City | Population | Median Income | Poverty | Home Value |
|---|---|---|---|---|
| Sumter | 43,053 | $55,592 | 16.7% | $199,100 |
| Lakewood | 3,544 | $56,500 | 8.2% | $294,200 |
| Dalzell | 2,946 | $47,354 | 15.3% | $157,500 |
| Cherryvale | 2,611 | $40,428 | 23.0% | $90,500 |
| Privateer | 2,472 | $49,191 | 20.5% | $121,100 |
| Stateburg | 2,027 | $66,481 | 11.2% | $206,700 |
| Wedgefield | 1,968 | $44,410 | 9.6% | $26,500 |
| South Sumter | 1,626 | $46,406 | 29.8% | $69,900 |
| Cane Savannah | 1,551 | $131,705 | 4.6% | $265,500 |
| Oakland | 1,060 | $68,778 | 22.8% | $123,200 |
| East Sumter | 943 | N/A | 19.7% | $72,900 |
| Mayesville | 832 | $50,568 | 29.9% | $95,600 |
| Pinewood | 668 | $27,813 | 32.3% | $104,800 |
| Mulberry | 474 | N/A | 19.0% | $148,600 |
| Oswego | 172 | N/A | 100.0% | N/A |
| Rembert | 144 | $27,167 | 0.0% | N/A |
| Shiloh | 124 | $118,056 | 17.7% | N/A |
Explore South Carolina Rankings
Population Overview
Sumter County is located in South Carolina with a total population of 104,725. It is the 15th most populous county out of 46 in South Carolina. The county encompasses 17 Census-designated places.
Age Demographics
The median age in Sumter County is 38.0 years. This is 5% lower than the state median of 40.2 years.
Economy, Income & Housing
The median household income in Sumter County is $56,693. This is 18% lower than the state median of $69,324. It is also 30% lower than the national median of $80,734. The poverty rate stands at 16.6%. This is 18% higher than the state poverty rate of 14.1%. The unemployment rate is 6.9%. This is 40% higher than the state rate of 4.9%. The median home value is $165,300. Housing costs are 36% lower than the state median of $259,000. With a home-value-to-income ratio of just 2.9x, Sumter County is one of the most affordable housing markets in the area. 68.1% of occupied housing units are owner-occupied. This homeownership rate is 5% lower than the state average of 71.9%.
Race & Ethnicity
The largest racial or ethnic group in Sumter County is Black or African American, making up 45.8% of the population. White (non-Hispanic) residents account for 43.6%. The Black or African American population is significantly higher than the state average (45.8% vs 24.6%).
Education
23.5% of residents aged 25 and older hold a bachelor's degree or higher. This is 27% lower than the state rate of 32.1%. Nationally, 35.7% of adults hold at least a bachelor's degree. The high school graduation rate (or equivalent) is 89.6%.
Data Sources & Methodology
All figures for Sumter County come from the U.S. Census Bureau's American Community Survey (ACS) 2020–2024 5-Year Estimates, with comparisons drawn against South Carolina and national averages from the same dataset. See our methodology page for how each metric is defined, or data.census.gov for official tables with margins of error.
Frequently Asked Questions
What is the population of Sumter County, South Carolina?
Sumter County has a population of 104,725, making it the 15th most populous county in South Carolina.
What is the median income in Sumter County?
The median household income in Sumter County is $56,693 with a poverty rate of 16.6%.
How many cities are in Sumter County, South Carolina?
Sumter County contains 17 Census-designated places.