North Babylon, New York, United States [CDP]; population was 18,081 in 1990; housing units was 6,123 in 1990; location is 40°44'N 73°20'W; land area is 3.37 square miles (2,160 acres); water area is 0.05 square miles (34 acres); FIPS code is 51440 [SourceCBP]