Lake Monticello, Virginia, United States [CDP]; population was 2,331 in 1990; housing units was 1,114 in 1990; location is 37°55'N 78°20'W; land area is 8.78 square miles (5,616 acres); water area is 0.57 square miles (367 acres); FIPS code is 43424 [SourceCBP]