Independent Cities
Virginia Counties
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Prince William County Virginia ☎ +1 703-792-8420 Last Updated: 09/29/2026 |
| Prince William County lies beside the Potomac River in the Commonwealth of Virginia. At the 2020 census, the population was 482,204, making it Virginia's second most populous county. The county seat is the independent city of Manassas. A part of Northern Virginia, Prince William County is part of the Washington metropolitan area. | |
| This vibrant county beckons with tales of the past, lush landscapes, and thrilling activities. Discover charming towns, scenic trails, and local flavors, all waiting to be explored. Get ready for endless unforgettable experiences. | |