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 and multiracial populations.

Population by Race

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%

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