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

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