West Mystic, Connecticut, United States [CDP]; population was 3,595 in 1990; housing units was 1,584 in 1990; location is 41°21'N 71°59'W; land area is 2.40 square miles (1,534 acres); water area is 0.52 square miles (336 acres); FIPS code is 83080 [SourceCBP]