Triangle, Virginia Demographics & Population 2026
During the 2020–2024 ACS period, Triangle, Virginia had a total population of 10,450, the 123rd largest community in Virginia, with a median household income of $109,693, which is 18% higher than the state average. The poverty rate is 7.6%.
Data vintage: U.S. Census Bureau ACS 2020–2024 5-Year Estimates · refreshed July 2026 · Methodology & source notes
Key Takeaways
- One of the most racially diverse communities in Virginia (diversity index: 73/100).
- Unemployment rate of 9.0% is notably above the national average.
Triangle Quick Facts
How Triangle Changed
Change from the 2019–2023 ACS period to 2020–2024. These are rolling five-year estimates, not year-over-year measurements.
| Metric | 2019–2023 | 2020–2024 | Change |
|---|---|---|---|
| Population | 11,265 | 10,450 | -7.2% |
| Median household income | $114,837 | $109,693 | -4.5% |
| Median home value | $520,400 | $505,300 | -2.9% |
How Triangle Compares
Median Household Income
Median Home Value
Economy & Housing
Household Income Distribution
Detailed income brackets
Employment
Housing Overview
People & Demographics
Age Distribution
Race & Ethnicity
Diversity Index
This community is exceptionally diverse, with no single racial or ethnic group dominating the population.
State average: 61 | National average: 61
Education
Educational Attainment (Adults 25+)
Triangle Rankings in Virginia
Explore Virginia Rankings
Other Cities in Prince William County
| City | Population | Median Income | Poverty | Home Value |
|---|---|---|---|---|
| Dale City | 71,016 | $111,994 | 7.0% | $425,500 |
| Lake Ridge | 46,049 | $127,154 | 5.8% | $471,200 |
| Woodbridge | 43,945 | $104,741 | 9.0% | $422,400 |
| Linton Hall | 41,876 | $178,915 | 2.2% | $617,000 |
| Cherry Hill | 26,044 | $122,447 | 8.6% | $492,500 |
| Montclair | 22,387 | $155,774 | 3.8% | $577,800 |
| Leesylvania | 21,632 | $132,524 | 4.4% | $531,500 |
| Buckhall | 21,602 | $180,021 | 6.0% | $635,500 |
| Sudley | 19,162 | $94,309 | 10.2% | $424,800 |
| Gainesville | 18,196 | $174,410 | 4.0% | $712,600 |
Cities Similar to Triangle
These cities in the same state have comparable population and economic profiles.
| City | Population | Median Income | Home Value | Bachelor's+ | Poverty |
|---|---|---|---|---|---|
| Lake Monticello | 10,662 | $106,818 | $325,900 | 51.8% | 6.7% |
| Yorkshire | 9,782 | $112,829 | $451,000 | 27.3% | 17.8% |
| Rockwood | 10,010 | $97,992 | $354,400 | 49.0% | 4.7% |
| Warrenton | 10,176 | $83,331 | $478,300 | 46.1% | 9.7% |
| Lake Barcroft | 10,973 | $140,882 | $887,300 | 65.1% | 5.6% |
Population Overview
Triangle is a small city located in Virginia, within Prince William County. The total population is 10,450. It ranks as the 123rd most populous out of 681 Census-designated places in Virginia.
Age Demographics
The median age in Triangle is 35.6 years. This is 9% lower than the state median of 39.0 years.
Economy, Income & Housing
The median household income in Triangle is $109,693. This is 18% higher than the state median of $93,170. It is also 36% higher than the national median of $80,734. The poverty rate stands at 7.6%. This is 23% lower than the state poverty rate of 9.9%. The unemployment rate is 9.0%. This is 112% higher than the state rate of 4.3%. The median home value is $505,300. Housing costs are 32% higher than the state median of $383,700. The home-value-to-income ratio is 4.6x. 63.1% of occupied housing units are owner-occupied. This homeownership rate is 6% lower than the state average of 67.3%.
Race & Ethnicity
Triangle is a highly diverse community where no single racial or ethnic group constitutes a majority of the population. Hispanic or Latino residents account for 22.1%. The White (non-Hispanic) population (19.3%) is well below the state average of 58.4%. The Black or African American population is significantly higher than the state average (40.7% vs 18.3%). The Hispanic or Latino population is significantly higher than the state average (22.1% vs 11.0%). The Asian population is significantly higher than the state average (14.4% vs 6.9%).
Education
40.8% of residents aged 25 and older hold a bachelor's degree or higher. This is 3% lower than the state rate of 42.2%. Nationally, 35.7% of adults hold at least a bachelor's degree. The high school graduation rate (or equivalent) is 93.1%. Notably, 15.6% of adults hold a graduate or professional degree, indicating a highly educated workforce.
Data Sources & Methodology
All demographic data for Triangle, Virginia is sourced from the U.S. Census Bureau's American Community Survey (ACS) 2020–2024 5-Year Estimates. The ACS collects data from approximately 3.5 million households annually and pools five years of responses so that even small communities can be measured, though the margin of error widens as the population falls. Comparisons are made against Virginia state averages and national averages calculated from the same dataset. Rankings reflect the city's position among all 681 Census-designated places in Virginia. Read more about how these figures are produced on our methodology page, or visit data.census.gov for official data.
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Frequently Asked Questions
What is the population of Triangle, Virginia?
Triangle, Virginia has a population of 10,450 according to the most recent U.S. Census ACS 5-Year Estimates.
What is the median household income in Triangle, VA?
The median household income in Triangle is $109,693, which is 36% higher than the national median of $80,734.
What is the poverty rate in Triangle, VA?
The poverty rate in Triangle is 7.6%. This means approximately 795 residents live below the federal poverty line.
What is the racial makeup of Triangle, Virginia?
Triangle's population is 19.3% White, 40.7% Black, 22.1% Hispanic/Latino, and 14.4% Asian.
What is the median home value in Triangle, VA?
The median home value in Triangle is $505,300. The home-value-to-income ratio is 4.6x.
How educated is Triangle, Virginia?
40.8% of adults (25+) in Triangle hold a bachelor's degree or higher, and 15.6% hold a graduate or professional degree.