Bay St. Louis, Mississippi

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Bay St. Louis, Mississippi
City
The Bay of St. Louis, the new bay bridge, and the city of Bay St. Louis on the western shore (upper part of photo)
Flag Logo
Location of Bay St. Louis, MS
Bay St. Louis, Mississippi Location in the United States
Coordinates: 30°18′53″N 89°20′39″W / 30.31472°N 89.34417°W / 30.31472; -89.34417
Country	United States
State	Mississippi
County	Hancock
Government
• Mayor	Mike Favre (R)[1][2]
Area [3]
• Total	26.62 sq mi (68.95 km2)
• Land	14.69 sq mi (38.05 km2)
• Water	11.93 sq mi (30.90 km2)
Elevation	23 ft (7 m)
Population  (2020)
• Total	9,284
• Density	631.91/sq mi (243.99/km2)
Time zone	UTC−6 (Central (CST))
• Summer (DST)	UTC−5 (CDT)
ZIP Code	39520, 39521, 39522
Area code	228
FIPS code	28-03980
GNIS feature ID	0666588
Website	www.baystlouis-ms.gov

Bay St. Louis is a city in and the county seat of Hancock County, Mississippi, in the United States.^[4] Located on the Gulf Coast on the west side of the Bay of St. Louis, it is part of the Gulfport-Biloxi metropolitan area. The population was 9,284 at the 2020 census, up from 9,260 at the 2010 census.