Triangle Flag

Triangle

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. For every 100 females there are 132.6 males.

11.6K
Total Population
4,107
Density (mi²)
225 1.98%
Growth

Triangle Population

Triangle Population

Data after 2023 is projected based on recent change

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

Black or African American (42.6%)

White (21.48%)

Asian (14.42%)

Two or more races (13.69%)

Other race (6.06%)

Native American (1.75%)

Race
Population
Percentage (of total)
Black or African American4,79942.6%
White2,42021.48%
Asian1,62414.42%
Two or more races1,54213.69%
Other race6836.06%
Native American1971.75%

Triangle Marital Status

OverallMalesFemales0%10%20%30%40%50%60%70%80%90%100%

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

Nearby Cities

Sources

  1. US Census State Population Estimates - Most recent state estimates from the Census Bureau's Population Estimates Program
  2. US Census County Population Estimates - Most recent county estimates from the Census Bureau's Population Estimates Program
  3. American Community Survey (2009 - 2013)
  4. Census QuickFacts
  5. Historical Populations of States and Counties (1790 - 1990)