Williston Flag

Williston

County:
Barnwell County
County Seat:
No
Area (mi²):
8.953

Williston is a town located in Barnwell County, South Carolina. Williston has a 2025 population of 2,875 . Williston is currently declining at a rate of -0.14% annually and its population has decreased by -0.69% since the most recent census, which recorded a population of 2,895 in 2020.

The average household income in Williston is $53,818 with a poverty rate of 31.09%. The median age in Williston is 45.6 years: 41.4 years for males, and 47.6 years for females. For every 100 females there are 88.1 males.

2.9K
Total Population
321
Density (mi²)
-4 -0.14%
Growth

Williston Population

Williston Population

Data after 2023 is projected based on recent change

Demographics

The racial composition of Williston includes 54.06% Black or African American, 45.56% White, and smaller percentages for Two or more races and multiracial populations.

Population by Race

Black or African American (54.06%)

White (45.56%)

Two or more races (0.38%)

Race
Population
Percentage (of total)
Black or African American1,55954.06%
White1,31445.56%
Two or more races110.38%

Williston Marital Status

OverallMalesFemales0%10%20%30%40%50%60%70%80%90%100%

Married

Widowed

Divorced

Separated

Never Married

Economics and Income Statistics

Williston's average per capita income is $39,057. Household income levels show a median of $35,968. The poverty rate stands at 31.09%.

Families: A family includes the owner or renter of the home along with everyone related to them - whether through birth, marriage, or adoption. This includes relatives like spouses, children, parents, siblings, grandparents, and any other family members.
Households: A household includes all the people who occupy a housing unit (such as a house or apartment) as their usual place of residence.
Non Families: A nonfamily household is either someone living alone or when the owner/renter lives with people they aren't related to, like roommates.
Name
Median
Mean
Married Families$114,063-
Families$48,182$65,274
Households$35,968$53,818
Non Families$29,500$40,717

$39,057

Average Income

$35,968

Median Household Income

31.09%

Poverty Rate

Nearby Cities

Sources

  1. US Census State Population Estimates - Most recent state estimates from the Census Bureau's Population Estimates Program
  2. US Census County Population Estimates - Most recent county estimates from the Census Bureau's Population Estimates Program
  3. American Community Survey (2009 - 2013)
  4. Census QuickFacts
  5. Historical Populations of States and Counties (1790 - 1990)