Summerville

County:: Dorchester County
County Seat:: No
Area (mi²):: 22.547
State:: South Carolina

Summerville is a town located in Dorchester County, South Carolina. Summerville has a 2025 population of 52,406. Summerville is currently growing at a rate of 0.5% annually and its population has increased by 2.55% since the most recent census, which recorded a population of 51,101 in 2020.

The average household income in Summerville is $95,592 with a poverty rate of 10.31%. The median age in Summerville is 38.1 years: 36.9 years for males, and 38.8 years for females.

Demographics

The racial composition of Summerville includes 68.07% White, 20.54% Black or African American, and smaller percentages for other race, Asian, Native American, Native Hawaiian or Pacific Islander and multiracial populations.

Population by Race

White

Black or African American

Two or more races

Other race

Asian

Native American

Native Hawaiian or Pacific Islander

Race	Population	Percentage (of total)
White	34,892	68.07%
Black or African American	10,529	20.54%
Two or more races	3,347	6.53%
Other race	1,471	2.87%
Asian	724	1.41%
Native American	217	0.42%
Native Hawaiian or Pacific Islander	82	0.16%

Summerville Marital Status

Married

Widowed

Divorced

Separated

Never Married

Economics and Income Statistics

Summerville's average per capita income is $48,643. Household income levels show a median of $78,621. The poverty rate stands at 10.31%.

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	$115,193	-
Families	$97,690	$111,184
Households	$78,621	$95,592
Non Families	$49,531	$61,218

$48,643

Average Income

$78,621

Median Household Income

10.31%

Poverty Rate