Lake Barcroft, Virginia, United States [CDP]; population was 8,686 in 1990; housing units was 3,651 in 1990; location is 38°51'N 77°9'W; land area is 2.53 square miles (1,617 acres); water area is 0.16 square miles (105 acres); FIPS code is 43352 [SourceCBP]