Triangle

County:: Prince William County
County Seat:: No
Area (mi²):: 2.815
State:: Virginia

Triangle is a CDP located in Prince William County, Virginia. Triangle has a 2025 population of 11,561. Triangle is currently growing at a rate of 1.98% annually and its population has increased by 9.83% since the most recent census, which recorded a population of 10,526 in 2020.

The average household income in Triangle is $137,811 with a poverty rate of 8.01%. The median age in Triangle is 35.5 years: 34.6 years for males, and 37 years for females.

Demographics

The racial composition of Triangle includes 42.6% Black or African American, 21.48% White, 14.42% Asian, 6.06% other race, and smaller percentages for Native American, Native Hawaiian or Pacific Islander and multiracial populations.

Population by Race

Black or African American

White

Asian

Two or more races

Other race

Native American

Native Hawaiian or Pacific Islander

Race	Population	Percentage (of total)
Black or African American	4,799	42.6%
White	2,420	21.48%
Asian	1,624	14.42%
Two or more races	1,542	13.69%
Other race	683	6.06%
Native American	197	1.75%
Native Hawaiian or Pacific Islander	0	0%

Triangle Marital Status

Married

Widowed

Divorced

Separated

Never Married

Economics and Income Statistics

Triangle's average per capita income is $56,577. Household income levels show a median of $114,837. The poverty rate stands at 8.01%.

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	$155,170	-
Families	$136,324	$151,755
Households	$114,837	$137,811
Non Families	$71,964	$99,602

$56,577

Average Income

$114,837

Median Household Income

8.01%

Poverty Rate