Warrenton is a town in Fauquier County, Virginia, of which it is the seat of government. The population was 9,611 at the 2010 census, up from 6,670 at the 2000 census. The estimated population in 2019 was 10,027. It is at the junction of U.S. Route 15, U.S. Route 17, U.S. Route 29, and U.S. Route 211. The town is in the Piedmont region of Virginia just east of the Blue Ridge Mountains. Read More
