Population

Prince William County is the second most populous county in the Commonwealth of Virginia. The current estimated population of Prince William County is 394,370 (as of September 15, 2009), which represents a growth rate of 0.4% since the last quarter and 1.4% year-over-year. Prince William County is projected to grow to 555,012 persons by 2030 according to the Metropolitan Washington Council of Governments.

1990 population (actual)……………….…..215,686

2000 population (actual)……………...……280,813

Sept. 15 2009 population (estimate)…......394,370

2010 population (forecast)…………………412,576

2015 population (forecast)…………………451,998

2020 population (forecast)…………………486,875

2025 population (forecast)…………………517,020

2030 population (forecast)…………………542,484

Source:
1990 and 2000 figures: U.S. Department of Commerce, Bureau of the Census,
1990 Census of Population and Housing and Census 2000.
2009 estimate: Prince William County 2010-30 forecasts: Metropolitan Washington Council of Governments (MWCOG) Round 7.2 Cooperative Forecasts.