Nissequogue, New York, United States [Village]; population was 1,620 in 1990; housing units was 576 in 1990; location is 40°54'N 73°11'W; land area is 4.09 square miles (2,615 acres); water area is 1.19 square miles (759 acres); FIPS code is 51286 [SourceCBP]