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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

Population 104,725
Median Household Income $56,693
Median Home Value $165,300
Poverty Rate 16.6%
Unemployment Rate 6.9%
Median Age 38.0 years
Homeownership Rate 68.1%
Affordability Ratio 2.9x
Bachelor's Degree+ 23.5%
High School Graduation 89.6%
Cities/Places 17
Population 104,725 15th of 46
Median Income $56,693 18% lower than state
Poverty Rate 16.6%
Unemployment 6.9%

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.

Metric2019–20232020–2024Change
Population104,853104,725-0.1%
Median household income$55,990$56,693+1.3%
Median home value$159,500$165,300+3.6%

Economy & Housing

Household Income Distribution

Under $25K 22.6%
$25K-$50K 22.1%
$50K-$100K 29.7%
$100K+ 25.6%
Detailed income brackets
Under $10K
7.8%
$10K-$15K
6.4%
$15K-$20K
4.3%
$20K-$25K
4.1%
$25K-$30K
3.5%
$30K-$35K
4.6%
$35K-$40K
5.0%
$40K-$45K
5.4%
$45K-$50K
3.5%
$50K-$60K
7.8%
$60K-$75K
10.9%
$75K-$100K
11.0%
$100K-$125K
9.1%
$125K-$150K
5.5%
$150K-$200K
5.7%
$200K+
5.2%

Employment

6.9% Unemployment Rate State: 4.9%|National: 5.2%
58.7% Labor Force Participation

Housing Overview

Owner 68.1%
Renter 31.9%
Affordability Index Very Affordable
2.9x home value to income ratio
Median gross rent $1,057/mo 22.4% of median household income annually

People & Demographics

Diversity Index

60out of 100
High Diversity

A diverse community with significant representation from multiple racial and ethnic groups.

State average: 55 | National average: 61

Education

Cities & Places in Sumter County

CityPopulationMedian IncomePovertyHome Value
Sumter43,053$55,59216.7%$199,100
Lakewood3,544$56,5008.2%$294,200
Dalzell2,946$47,35415.3%$157,500
Cherryvale2,611$40,42823.0%$90,500
Privateer2,472$49,19120.5%$121,100
Stateburg2,027$66,48111.2%$206,700
Wedgefield1,968$44,4109.6%$26,500
South Sumter1,626$46,40629.8%$69,900
Cane Savannah1,551$131,7054.6%$265,500
Oakland1,060$68,77822.8%$123,200
East Sumter943N/A19.7%$72,900
Mayesville832$50,56829.9%$95,600
Pinewood668$27,81332.3%$104,800
Mulberry474N/A19.0%$148,600
Oswego172N/A100.0%N/A
Rembert144$27,1670.0%N/A
Shiloh124$118,05617.7%N/A

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.