Williston is a town located in Barnwell County, South Carolina. Williston has a 2026 population of 2,871. Williston is currently declining at a rate of -0.14% annually and its population has decreased by -0.83% since the most recent census, which recorded a population of 2,895 in 2020.
The median household income in Williston is $39,484 with a poverty rate of 30.49%. The median age in Williston is 40.4 years: 30.6 years for males, and 41.3 years for females. For every 100 females there are 92.5 males.
Data after 2023 is projected based on recent change
Overall: 40.4 years
Female: 41.3 years
Male: 30.6 years
There are 2,128 adults, (533 of whom are seniors) in Williston.
Female: 1,491 (52%)
Male: 1,379 (48%)
The racial composition of Williston includes 58.47% Black or African American, 40.42% White, and smaller percentages for Two or more races and multiracial populations.
| Race | Population ↓ | Percentage (of total) |
|---|---|---|
| Black or African American | 1,678 | 58.47% |
| White | 1,160 | 40.42% |
| Two or more races | 32 | 1.11% |
Williston 's average per capita income is $36,525. Household income levels show a median of $39,484. The poverty rate stands at 30.49%.
| Name | Median ↓ | Mean |
|---|---|---|
| Married Families | $117,171 | - |
| Families | $41,250 | $60,732 |
| Households | $39,484 | $56,851 |
| Non Families | $38,925 | $50,280 |
Average Income
Median Household Income
Poverty Rate