West Babylon, New York, United States [CDP]; population was 42,410 in 1990; housing units was 13,799 in 1990; location is 40°43'N 73°22'W; land area is 7.71 square miles (4,931 acres); water area is 0.31 square miles (198 acres); FIPS code is 79246 [SourceCBP]