South Run

County:: Fairfax County
County Seat:: No
Area (mi²):: 2.528
State:: Virginia

South Run is a CDP located in Fairfax County, Virginia. South Run has a 2025 population of 7,078. South Run is currently growing at a rate of 0.65% annually and its population has increased by 4.7% since the most recent census, which recorded a population of 6,760 in 2020.

The average household income in South Run is $273,733 with a poverty rate of 2.17%. The median age in South Run is 41.5 years: 35.6 years for males, and 44.3 years for females.

Demographics

The racial composition of South Run includes 61.39% White, 19.27% Asian, 5.27% Black or African American, and smaller percentages for other race, Native Hawaiian or Pacific Islander, Native American and multiracial populations.

Population by Race

White

Asian

Two or more races

Black or African American

Other race

Native Hawaiian or Pacific Islander

Native American

Race	Population	Percentage (of total)
White	4,122	61.39%
Asian	1,294	19.27%
Two or more races	803	11.96%
Black or African American	354	5.27%
Other race	128	1.91%
Native Hawaiian or Pacific Islander	13	0.19%
Native American	0	0%

South Run Marital Status

Married

Widowed

Divorced

Separated

Never Married

Economics and Income Statistics

South Run's average per capita income is $123,611. Household income levels show a median of $250,001. The poverty rate stands at 2.17%.

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
Households	$250,001	$273,733
Families	$250,001	$283,302
Married Families	$250,001	-
Non Families	-	$128,250

$123,611

Average Income

$250,001

Median Household Income

2.17%

Poverty Rate