Mayaguez, Puerto Rico, United States [ZonaUrbana]; population was 83,010 in 1990; housing units was 29,692 in 1990; location is 18°12'N 67°9'W; land area is 20.94 square miles (13,401 acres); water area is 2.22 square miles (1,420 acres); FIPS code is 52431 [SourceCBP]