Sumter County
Sumter County has notably lower household income than the US average, with a median household income of $56,693. Population has held roughly steady since 2000. Median home value has more than doubled since 2000, reaching $165,300.
Population & growth
PEP 2025 EST:105,067 residents (Census Bureau Vintage 2025, released March 2026)
Income & economy
Housing
Race & ethnicity
Detailed origins & ancestry
+ 1 more hispanic origin group with data
+ 34 more ancestry groups with data
Education
Commute & transportation
Work & employment
People & community
Places similar to Sumter County
Compare Sumter County to nearby counties
How many people live in Sumter County, South Carolina?
Sumter County, South Carolina has about 104,725 residents according to the 2024 American Community Survey.
What is the median household income in Sumter County, South Carolina?
The typical household in Sumter County, South Carolina earns about $56,693 a year. Half of households make more than that, and half make less.
Is Sumter County, South Carolina expensive?
In Sumter County, South Carolina, the median home is worth about $165,300, and the typical rent is about $1,057 a month.
How educated are people in Sumter County, South Carolina?
About 23.5% of adults age 25 and over in Sumter County, South Carolina hold a bachelor's degree or higher.
What is the poverty rate in Sumter County, South Carolina?
About 16.6% of people in Sumter County, South Carolina live below the federal poverty line.
Has Sumter County, South Carolina grown since 1990?
Yes, Sumter County, South Carolina has grown since 1990. The population has added about 2,088 residents, a change of about 2 percent over that period.
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DATA: US CENSUS BUREAU ACS 5-YEAR + DECENNIAL CENSUS · UPDATED 2024