Port Neches, Texas, United States [City]; population was 12,974 in 1990; housing units was 5,246 in 1990; location is 29°58'N 93°56'W; land area is 9.12 square miles (5,834 acres); water area is 0.07 square miles (47 acres); FIPS code is 58940 [SourceCBP]