Rockville

County:: Charleston County
County Seat:: No
Area (mi²):: 0.424
State:: South Carolina

Rockville is a town located in Charleston County, South Carolina. Rockville has a 2025 population of 139. Rockville is currently growing at a rate of 0.72% annually and its population has increased by 2.21% since the most recent census, which recorded a population of 136 in 2020.

The average household income in Rockville is $129,838 with a poverty rate of 2.4%.The median age in Rockville is 50.5 years: 42.5 years for males, and 64.5 years for females.

Demographics

The racial composition of Rockville includes 91.2% White, 7.2% Black or African American, and smaller percentages for other race, Two or more races and multiracial populations.

Population by Race

Race	Population	Percentage (of total)
White	114	91.2%
Black or African American	9	7.2%
Other race	1	0.8%
Two or more races	1	0.8%

Rockville Marital Status

Married

Widowed

Divorced

Separated

Never Married

Economics and Income Statistics

Rockville's average per capita income is $61,250. Household income levels show a median of $76,563. The poverty rate stands at 2.4%.

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	$106,250	-
Families	$93,750	$158,528
Households	$76,563	$129,838
Non Families	$32,083	$53,333

$61,250

Average Income

$76,563

Median Household Income

2.4%

Poverty Rate