Makaha, Hawaii, United States [CDP]; population was 7,990 in 1990; housing units was 3,178 in 1990; location is 21°28'N 158°13'W; land area is 2.33 square miles (1,493 acres); water area is 2.91 square miles (1,863 acres); FIPS code is 47450 [SourceCBP]