Bay St. Louis, Mississippi, United States [City]; population was 8,063 in 1990; housing units was 3,561 in 1990; location is 30°19'N 89°20'W; land area is 5.72 square miles (3,662 acres); water area is 10.16 square miles (6,503 acres); FIPS code is 3980 [SourceCBP]
