Manassas city's 2026 population is estimated at 44,674, reflecting a 1.2% growth rate over the past year (World Population Review estimate based on U.S. Census Bureau data). Manassas city is the 39th largest county in Virginia. The 2010 population was 38,212 and has grown 16.91% since 2010.
Data after 2023 is projected based on recent change
Overall: 34.8 years
Female: 35.3 years
Male: 34.4 years
There are 31,419 adults, (4,540 of whom are seniors) in Manassas city.
Female: 21,093 (49.1%)
Male: 21,883 (50.9%)
The racial composition of Manassas city includes 43.41% White, 13.56% other race, 11.99% Black or African American, 5.58% Asian, and smaller percentages for Native American, Native Hawaiian or Pacific Islander and multiracial populations.
| Race | Population ↓ | Percentage (of total) |
|---|---|---|
| White | 18,655 | 43.41% |
| Two or more races | 10,680 | 24.85% |
| Other race | 5,829 | 13.56% |
| Black or African American | 5,153 | 11.99% |
| Asian | 2,397 | 5.58% |
| Native American | 254 | 0.59% |
| Native Hawaiian or Pacific Islander | 8 | 0.02% |
Manassas city 's average per capita income is $58,931. Household income levels show a median of $113,590. The poverty rate stands at 7.74%.
| Name | Median ↓ | Mean |
|---|---|---|
| Married Families | $132,201 | - |
| Families | $120,440 | $140,182 |
| Households | $113,590 | $138,261 |
| Non Families | $74,026 | $103,805 |
Average Income
Median Household Income
Poverty Rate
