CDP in Prince William County, Virginia · 2.8 sq mi · 4,254 people per sq mi
About 12,000 people live in Triangle. The typical household earns $109,693, and the median resident is 35.6 years old.
2026 projection
From 10,526 in 2020
Poverty rate 7.63%
Men 34.3 · Women 36.8
2011–2026
11,975
2026 projection
13.8% since 2020 (increase)
Source: U.S. Census Bureau decennial counts and annual estimates. 2026 is a projection. Values between recorded years are interpolated.
Use the left and right arrow keys to inspect population observations.
2011–2026
11,975
2026 projection
13.8% since 2020 (increase)
Source: U.S. Census Bureau decennial counts and annual estimates. 2026 is a projection. Values between recorded years are interpolated.
Use the left and right arrow keys to inspect population observations.
| 2026 | 11,975 | +237 | 2.02% |
|---|---|---|---|
| 2025 | 11,738 | +473 | 2.08% |
| 2023 | 11,265 | +379 | 3.48% |
| 2022 | 10,886 | +18 | 0.17% |
| 2021 | 10,868 | +342 | 3.25% |
| 2020 | 10,526 | +1,554 | 17.32% |
| 2019 | 8,972 | -144 | 1.58% |
| 2018 | 9,116 | +144 | 1.60% |
| 2017 | 8,972 | -120 | 1.32% |
| 2016 | 9,092 | +191 | 2.15% |
Showing 10 of 15 years.
U.S. Census Bureau, 2024 ACS 5-year estimates · Table S0101
Each square is about 1% of residents (roughly 105 people).
Hispanic or Latino residents can be of any race. All other groups exclude Hispanic residents.
U.S. Census Bureau, 2024 ACS 5-year estimates · Table B03002
Half of households earn more, half earn less
Typical yearly pay for a worker 25 or older.
About 1 in 13 residents
50% of residents age 15 and older are married.
| Status | Overall | Male | Female |
|---|---|---|---|
| Married | 50% | 49% | 51% |
| Never married | 34% | 39% | 28% |
| Divorced | 9% | 7% | 11% |
| Widowed | 3% | 1% | 4% |
| Separated | 4% | 3% | 5% |
U.S. Census Bureau, 2024 ACS 5-year estimates · Table S1201
10 sources, all from the U.S. Census Bureau