Prince William County
Prince William County is on the Potomac River in the Commonwealth of Virginia. As of the 2010 census, the population was 402,002, on 1 July 2015, the population was estimated to be 451,721, making it Virginia’s second-most populous county. Its county seat is the independent city of Manassas.
A part of Northern Virginia, Prince William County is part of the Washington-Arlington-Alexandria, DC-VA-MD-WV Metropolitan Statistical Area. In 2012 it had the seventh highest income of any county in the United States. It was Virginia’s first majority-minority county, with Hispanic (of any race, mostly from Central and South America), African American, and Asian the chief groups.
According to the U.S. Census Bureau, the county has a total area of 348 square miles (900 km2), of which 336 square miles (870 km2) is land and 12 square miles (31 km2) (3.5%) is water. It is bounded on the north by Loudoun and Fairfax Counties; on the west by Fauquier County; on the south by Stafford County; and on the east by the Potomac River (Charles County, Maryland lies across the river).
Prince William County Public Schools is the second largest school system in Virginia (having recently overtaken Virginia Beach City Public Schools). The system consists of 57 elementary, 16 middle, and 12 high schools, as well as a virtual high school, two traditional schools, three special education schools, and two alternative schools.