Prince William County is located on the Potomac River in the Commonwealth of Virginia in the United States. As of the 2010 census, the population was 402,002, on July 1, 2019, the population was estimated to be 470,335, making it Virginia’s second-most populous county. Wikipedia
Area: 901.3 kmĀ²
Population: 470,335 (2019)
Congressional districts: 1st, 10th, 11th
County seat: Manassas
Points of interest: Prince William Forest Park, MORE
Sales tax: 1%