Kalaoa, Hawaii, United States [CDP]; population was 4,490 in 1990; housing units was 1,685 in 1990; location is 19°44'N 156°1'W; land area is 36.69 square miles (23,482 acres); water area is 4.16 square miles (2,660 acres); FIPS code is 25550 [SourceCBP]