Hatillo, Puerto Rico, United States [ZonaUrbana]; population was 5,242 in 1990; housing units was 1,757 in 1990; location is 18°29'N 66°49'W; land area is 0.93 square miles (594 acres); water area is 0.43 square miles (278 acres); FIPS code is 33296 [SourceCBP]