Kingstowne is a census-designated place in Fairfax County, Virginia, United States. It is a planned community amid the Washington, D.C. suburbs of Springfield, Alexandria, and Franconia, Virginia, and is centered on the intersection of South Van Dorn Street and Kingstowne Boulevard. The population as of the 2020 census was 16,825.Kingstowne has a town center containing office and retail businesses.