Harwich Port, Massachusetts, United States [CDP]; population was 1,742 in 1990; housing units was 2,123 in 1990; location is 41°40'N 70°4'W; land area is 2.63 square miles (1,686 acres); water area is 0.80 square miles (509 acres); FIPS code is 29090 [SourceCBP]