| Name | Prince William County |
| State | Virginia |
| FIPS Code | 51153 |
| Timezone | Eastern Daylight Time (EDT) |
| Population (2024) | 491,578 |
| Population Growth Rate(2020-2024) | 1.91% |
| Majority Ethnicity | White 45.11% |
| Public School Majority Ethnicity | Hispanic 37% |
| Partisan Voting Index | Democratic:+10 |
| Unemployment Rate (May 2026) | 3.9% |
| Sales Tax Rate (2025) | 6% |
| Area Code(s) | 571 / 703 / 540 / 826 |
| Race/Ethnicity | Percentage of Population (2023) |
|---|---|
| White | 45.11% |
| African American | 19.87% |
| Hispanic | 24.83% |
| Asian | 9.5% |
| Native American | 0.61% |
| Hawaiin/Pacific Islander | 0.07% |
| Race/Ethnicity | Percentage of Public School Students (2023) |
|---|---|
| White | 27.12% |
| African American | 18.84% |
| Hispanic | 37.3% |
| Asian | 10.28% |
| Native American | 0.14% |
| Hawaiin/Pacific Islander | 0.19% |