Mason Neck

County:: Fairfax County
County Seat:: No
Area (mi²):: 13.859
State:: Virginia

Mason Neck is a CDP located in Fairfax County, Virginia. Mason Neck has a 2025 population of 1,914. Mason Neck is currently declining at a rate of -0.31% annually and its population has decreased by -1.24% since the most recent census, which recorded a population of 1,938 in 2020.

The average household income in Mason Neck is $240,569 with a poverty rate of 2.23%. The median age in Mason Neck is 48 years: 45.8 years for males, and 49.9 years for females.

Demographics

The racial composition of Mason Neck includes 68.58% White, 9.52% other race, 6.85% Asian, 5.05% Black or African American, and smaller percentages for Native American, Native Hawaiian or Pacific Islander and multiracial populations.

Population by Race

White

Other race

Two or more races

Asian

Black or African American

Native American

Native Hawaiian or Pacific Islander

Race	Population	Percentage (of total)
White	1,412	68.58%
Other race	196	9.52%
Two or more races	196	9.52%
Asian	141	6.85%
Black or African American	104	5.05%
Native American	5	0.24%
Native Hawaiian or Pacific Islander	5	0.24%

Mason Neck Marital Status

Married

Widowed

Divorced

Separated

Never Married

Economics and Income Statistics

Mason Neck's average per capita income is $83,500. Household income levels show a median of $189,688. The poverty rate stands at 2.23%.

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	$203,125	-
Families	$194,545	$264,320
Households	$189,688	$240,569
Non Families	-	$122,022

$83,500

Average Income

$189,688

Median Household Income

2.23%

Poverty Rate