Port Wentworth, Georgia, United States [City]; population was 4,012 in 1990; housing units was 1,647 in 1990; location is 32°12'N 81°12'W; land area is 16.81 square miles (10,756 acres); water area is 0.03 square miles (18 acres); FIPS code is 62328 [SourceCBP]