Summerville, South Carolina Demographics & Population 2026
During the 2020–2024 ACS period, Summerville, South Carolina had a total population of 51,654, the 7th largest town in South Carolina, with a median household income of $81,046, which is 17% higher than the state average. The poverty rate is 10.1%.
Data vintage: U.S. Census Bureau ACS 2020–2024 5-Year Estimates · refreshed July 2026 · Methodology & source notes
Summerville Quick Facts
How Summerville 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 | 51,262 | 51,654 | +0.8% |
| Median household income | $78,621 | $81,046 | +3.1% |
| Median home value | $295,700 | $328,100 | +11.0% |
How Summerville Compares
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
Moderate diversity with one or two groups making up the majority.
State average: 55 | National average: 61
Education
Educational Attainment (Adults 25+)
Summerville Rankings in South Carolina
Explore South Carolina Rankings
Other Cities in Charleston County
| City | Population | Median Income | Poverty | Home Value |
|---|---|---|---|---|
| Charleston | 154,338 | $92,414 | 12.3% | $509,700 |
| North Charleston | 119,913 | $62,956 | 14.4% | $302,200 |
| Mount Pleasant | 93,993 | $124,755 | 6.1% | $748,500 |
| Ladson | 16,140 | $78,760 | 12.3% | $234,900 |
| James Island | 12,198 | $104,217 | 5.6% | $508,600 |
| Hollywood | 5,382 | $73,693 | 12.2% | $460,100 |
| Isle of Palms | 4,362 | $156,979 | 2.5% | $1,581,300 |
| Ravenel | 2,615 | $82,738 | 19.0% | $238,700 |
| Kiawah Island | 2,326 | $213,594 | 3.1% | $2,000,000+ |
| Seabrook Island | 2,204 | $127,500 | 4.4% | $1,001,400 |
Cities Similar to Summerville
These cities in the same state have comparable population and economic profiles.
| City | Population | Median Income | Home Value | Bachelor's+ | Poverty |
|---|---|---|---|---|---|
| Goose Creek | 48,078 | $88,178 | $306,000 | 29.7% | 6.5% |
| Greer | 41,536 | $82,626 | $288,700 | 41.4% | 10.1% |
| Sumter | 43,053 | $55,592 | $199,100 | 28.7% | 16.7% |
| Hilton Head Island | 37,911 | $94,657 | $687,400 | 56.1% | 8.6% |
| Greenville | 72,935 | $71,472 | $487,500 | 55.5% | 14.0% |
Population Overview
Summerville is a mid-sized community located in South Carolina, within Charleston County. The total population is 51,654. It ranks as the 7th most populous out of 474 Census-designated places in South Carolina.
Age Demographics
The median age in Summerville is 38.9 years. This is 3% lower than the state median of 40.2 years.
Economy, Income & Housing
The median household income in Summerville is $81,046. This is 17% higher than the state median of $69,324. It is also about the same as the national median of $80,734. The poverty rate stands at 10.1%. This is 28% lower than the state poverty rate of 14.1%. The unemployment rate is 4.9%. The median home value is $328,100. Housing costs are 27% higher than the state median of $259,000. The home-value-to-income ratio is 4.0x. 69.1% of occupied housing units are owner-occupied. This homeownership rate is 4% lower than the state average of 71.9%.
Race & Ethnicity
The largest racial or ethnic group in Summerville is White (non-Hispanic), making up 63.8% of the population. Black or African American residents account for 19.4%.
Education
33.5% of residents aged 25 and older hold a bachelor's degree or higher. This is 4% higher 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 93.4%.
Data Sources & Methodology
All demographic data for Summerville, South Carolina is sourced from the U.S. Census Bureau's American Community Survey (ACS) 2020–2024 5-Year Estimates. The ACS collects data from approximately 3.5 million households annually and pools five years of responses so that even small communities can be measured, though the margin of error widens as the population falls. Comparisons are made against South Carolina state averages and national averages calculated from the same dataset. Rankings reflect the city's position among all 474 Census-designated places in South Carolina. Read more about how these figures are produced on our methodology page, or visit data.census.gov for official data.
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Frequently Asked Questions
What is the population of Summerville, South Carolina?
Summerville, South Carolina has a population of 51,654 according to the most recent U.S. Census ACS 5-Year Estimates.
What is the median household income in Summerville, SC?
The median household income in Summerville is $81,046, which is about the same as the national median of $80,734.
What is the poverty rate in Summerville, SC?
The poverty rate in Summerville is 10.1%. This means approximately 5,200 residents live below the federal poverty line.
What is the racial makeup of Summerville, South Carolina?
Summerville's population is 63.8% White, 19.4% Black, 9.1% Hispanic/Latino, and 1.9% Asian.
What is the median home value in Summerville, SC?
The median home value in Summerville is $328,100. The home-value-to-income ratio is 4.0x.
How educated is Summerville, South Carolina?
33.5% of adults (25+) in Summerville hold a bachelor's degree or higher, and 13.6% hold a graduate or professional degree.