Annandale is a census-designated place (CDP) in Fairfax County, Virginia, United States. The population was 41,008 at the 2010 census, down from 54,994 in 2000 due to the splitting off of the western part of it to form Wakefield and Woodburn CDP's.
Annandale is located at 38°50′3″N 77°12′41″W / 38.83417°N 77.21139°W / 38.83417; -77.21139 (38.834134, -77.211277). Annandale is mostly traversed by...