"2.9e+06"^^ . . "2.84899e+06"^^ . "540" . . "2655"^^ . "6.096"^^ . . . "Dahlgren, Virginia"@en . . "2.9e+06"^^ . "-4" . . "-5" . "2.84899e+06"^^ . "22448" . "0.0"^^ . . "6.0"^^ . "Dahlgren is a census-designated place (CDP) in King George County, Virginia, United States. The population was 2,655 at the 2010 census, a large increase from the 997 reported in 2000. The community is located within the Northern Neck George Washington Birthplace American Viticultural Area winemaking appellation established by the United States government."@en .