Yarmouth Port, Massachusetts, United States [CDP]; population was 4,271 in 1990; housing units was 2,546 in 1990; location is 41°43'N 70°14'W; land area is 6.05 square miles (3,869 acres); water area is 0.43 square miles (273 acres); FIPS code is 82595 [SourceCBP]