Williston, South Carolina Demographics & Population 2026
During the 2020–2024 ACS period, Williston, South Carolina had a total population of 2,870, the 155th largest town in South Carolina, with a median household income of $39,484, which is 43% lower than the state average. The poverty rate is 30.5%.
Data vintage: U.S. Census Bureau ACS 2020–2024 5-Year Estimates · refreshed July 2026 · Methodology & source notes
Key Takeaways
- Household income is 43% below the state average, indicating significant economic challenges.
- More than 1 in 4 residents live below the poverty line (30.5%), well above the national average of 12.4%.
Williston Quick Facts
How Williston 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 | 2,884 | 2,870 | -0.5% |
| Median household income | $35,968 | $39,484 | +9.8% |
| Median home value | $104,000 | $105,100 | +1.1% |
How Williston 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+)
Williston Rankings in South Carolina
Explore South Carolina Rankings
Other Cities in Barnwell County
Cities Similar to Williston
These cities in the same state have comparable population and economic profiles.
| City | Population | Median Income | Home Value | Bachelor's+ | Poverty |
|---|---|---|---|---|---|
| Bishopville | 2,910 | $39,276 | $128,200 | 19.0% | 29.9% |
| Hilltop | 2,950 | $37,444 | $125,800 | 8.9% | 17.0% |
| Saluda | 3,055 | $42,506 | $77,700 | 14.1% | 43.9% |
| Cherryvale | 2,611 | $40,428 | $90,500 | 13.6% | 23.0% |
| Loris | 2,645 | $36,899 | $214,300 | 16.9% | 23.0% |
Population Overview
Williston is a small community located in South Carolina, within Barnwell County. The total population is 2,870. It ranks as the 155th most populous out of 474 Census-designated places in South Carolina.
Age Demographics
The median age in Williston is 40.4 years. This is about the same as the state median of 40.2 years.
Economy, Income & Housing
The median household income in Williston is $39,484. This is 43% lower than the state median of $69,324. It is also 51% lower than the national median of $80,734. The poverty rate stands at 30.5%. This is 117% higher than the state poverty rate of 14.1%. With more than one in five residents living below the poverty line, economic hardship is a significant challenge for the community. The unemployment rate is 6.5%. This is 33% higher than the state rate of 4.9%. The median home value is $105,100. Housing costs are 59% lower than the state median of $259,000. With a home-value-to-income ratio of just 2.7x, Williston is one of the most affordable housing markets in the area. 54.6% of occupied housing units are owner-occupied. This homeownership rate is 24% lower than the state average of 71.9%.
Race & Ethnicity
The largest racial or ethnic group in Williston is Black or African American, making up 58.5% of the population. White (non-Hispanic) residents account for 40.4%. The Black or African American population is significantly higher than the state average (58.5% vs 24.6%). The Hispanic or Latino population (0.2%) is well below the state average of 7.4%.
Education
18.6% of residents aged 25 and older hold a bachelor's degree or higher. This is 42% 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 85.6%.
Data Sources & Methodology
All demographic data for Williston, 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 Williston, South Carolina?
Williston, South Carolina has a population of 2,870 according to the most recent U.S. Census ACS 5-Year Estimates.
What is the median household income in Williston, SC?
The median household income in Williston is $39,484, which is 51% lower than the national median of $80,734.
What is the poverty rate in Williston, SC?
The poverty rate in Williston is 30.5%. This means approximately 857 residents live below the federal poverty line.
What is the racial makeup of Williston, South Carolina?
Williston's population is 40.4% White, 58.5% Black, 0.2% Hispanic/Latino, and 0.0% Asian.
What is the median home value in Williston, SC?
The median home value in Williston is $105,100. The home-value-to-income ratio is 2.7x.
How educated is Williston, South Carolina?
18.6% of adults (25+) in Williston hold a bachelor's degree or higher, and 2.1% hold a graduate or professional degree.