Prince William County's estimated 2026 population is 507,580 with a growth rate of 0.92% in the past year according to the most recent United States census data. Prince William County is the 2nd largest county in Virginia. The 2010 population was 406,183 and has seen a growth of 24.96% since that time.
Data after 2023 is projected based on recent change
Overall: 36.3 years
Female: 37 years
Male: 35.6 years
There are 359,738 adults, (55,278 of whom are seniors) in Prince William County.
Female: 243,308 (49.8%)
Male: 245,572 (50.2%)
The racial composition of Prince William County includes 43.24% White, 20.03% Black or African American, 10.02% Asian, 9.99% other race, and smaller percentages for Native American, Native Hawaiian or Pacific Islander and multiracial populations.
Race | Population | Percentage (of total) |
|---|---|---|
| White | 211,371 | 43.24% |
| Black or African American | 97,931 | 20.03% |
| Two or more races | 78,120 | 15.98% |
| Asian | 48,981 | 10.02% |
| Other race | 48,816 | 9.99% |
| Native American | 3,271 | 0.67% |
| Native Hawaiian or Pacific Islander | 390 | 0.08% |
Prince William County's average per capita income is $68,805. Household income levels show a median of $131,402. The poverty rate stands at 6.19%.
Name | Median | Mean |
|---|---|---|
| Married Families | $166,253 | $189,094 |
| Families | $146,895 | $170,586 |
| Households | $131,402 | $157,635 |
| Non Families | $86,575 | $103,282 |
Average Income
Median Household Income
Poverty Rate