Arlington County

Arlington County

Arlington County is a county in the Commonwealth of Virginia,which is the second-largest principal city of the Washington metropolitan area. In 2015,...

Fairfax County

Fairfax County

Fairfax County, officially the County of Fairfax, is acounty in the Commonwealth of Virginia.As of the 2010 census, the population was 1,081,726 in...

Loudoun County

Loudoun County

Loudoun County is a county in the Commonwealth of Virginia.In 2015, the population was estimated at 375,629, making it Virginia'sthird-most populous...

Prince William County

Prince William County

Prince William County is on the Potomac River in theCommonwealth of Virginia. As of the 2010 census, the population was 402,002, on1 July 2015, the...