Aguilita, Puerto Rico, United States [Comunidad]; population was 4,091 in 1990; housing units was 1,159 in 1990; location is 18°2'N 66°32'W; land area is 0.90 square miles (577 acres); water area is 0.00 square miles (2 acres); FIPS code is 1089 [SourceCBP]