Westmoreland County is a county located in the Northern Neck of the Commonwealth of Virginia. At the 2010 census, the population was 17,454. Its county seat is Montross.HistoryAs originally established by the Virginia colony's House of Burgesses, it was separated out of Northumberland County in 1653, and the territory of Westmoreland County encompassed much of what later became the various counties and cities of Northern Virginia, including the city of Alexandria, Arlington County, Fairfax County, and Prince William County. These were part of Westmoreland until 1664, when Stafford County was formed.Westmoreland County was the birthplace of George Washington, the first President of the United States (at the former settlement of Bridges Creek, Virginia); of James Monroe, the fifth President; and of General Robert E. Lee, commander of the Confederate armies.
