Prince William County Flag

Prince William County

State:
Virginia
County Seat:
Manassas

Prince William County's estimated 2025 population is 502,428 with a growth rate of 1.09% 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 23.69% since that time.

502,428
Total Population
1,500
Population Density (mi²)
2
Population Rank (State)
5.4K 1.09%
Annual Population Growth

Prince William County Population

Demographics

Economics and Income Statistics

Sources

  1. City and Town Population Totals: 2020-2024
  2. US Census State Population Estimates - Most recent state estimates from the Census Bureau's Population Estimates Program
  3. US Census County Population Estimates - Most recent county estimates from the Census Bureau's Population Estimates Program
  4. American Community Survey (2009 - 2013)
  5. Census QuickFacts
  6. Historical Populations of States and Counties (1790 - 1990)