North Westport, Massachusetts, United States [CDP]; population was 4,697 in 1990; housing units was 1,769 in 1990; location is 41°40'N 71°5'W; land area is 5.18 square miles (3,318 acres); water area is 0.97 square miles (619 acres); FIPS code is 49710 [SourceCBP]