Southaven, Mississippi, United States [City]; population was 17,949 in 1990; housing units was 6,312 in 1990; location is 34°58'N 89°60'W; land area is 12.74 square miles (8,156 acres); water area is 0.23 square miles (144 acres); FIPS code is 69280 [SourceCBP]