Williamston

County:: Anderson County
County Seat:: No
Area (mi²):: 3.689
State:: South Carolina

Williamston is a town located in Anderson County, South Carolina. Williamston has a 2025 population of 4,329. Williamston is currently growing at a rate of 1.29% annually and its population has increased by 6.78% since the most recent census, which recorded a population of 4,054 in 2020.

The average household income in Williamston is $70,930 with a poverty rate of 13.52%.The median age in Williamston is 38.2 years: 36.6 years for males, and 38.4 years for females.

Demographics

The racial composition of Williamston includes 79.15% White, 9.43% Black or African American, 4.28% other race, and smaller percentages for Native American and multiracial populations.

Population by Race

Race	Population	Percentage (of total)
White	3,258	79.15%
Black or African American	388	9.43%
Two or more races	289	7.02%
Other race	176	4.28%
Native American	5	0.12%

Williamston Marital Status

Married

Widowed

Divorced

Separated

Never Married

Economics and Income Statistics

Williamston's average per capita income is $37,614. Household income levels show a median of $62,500. The poverty rate stands at 13.52%.

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	$80,417	-
Families	$75,833	$82,448
Households	$62,500	$70,930
Non Families	$35,583	$39,118

$37,614

Average Income

$62,500

Median Household Income

13.52%

Poverty Rate