Rockville Flag

Rockville

County Seat:
No
Area (mi²):
0.424

Rockville is a town located in Charleston County, South Carolina. Rockville has a 2025 population of 142 . Rockville is currently growing at a rate of 0.71% annually and its population has increased by 4.41% 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. For every 100 females there are 150.0 males.

142
Total Population
335
Density (mi²)
1 0.71%
Growth

Rockville Population

Rockville Population

Data after 2023 is projected based on recent change

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

White (91.2%)

Black or African American (7.2%)

Other race (0.8%)

Two or more races (0.8%)

Race
Population
Percentage (of total)
White11491.2%
Black or African American97.2%
Other race10.8%
Two or more races10.8%

Rockville Marital Status

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

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

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)