West Hattiesburg, Mississippi, United States [CDP]; population was 5,450 in 1990; housing units was 2,153 in 1990; location is 31°19'N 89°23'W; land area is 7.07 square miles (4,526 acres); water area is 0.10 square miles (66 acres); FIPS code is 78890 [SourceCBP]