Where is Bay St. Louis, Mississippi, USA?

Written and Fact-checked by | Updated On: April 28, 2026 | 14:51 ET

Where is Bay St. Louis Located? - Bay St. Louis is a city located in the Hancock County of Mississippi, United States. Bay St. Louis lies between 39.4748693 Degrees North latitudes and 118.7770407 Degrees West longitudes.

Location Map of Bay St. Louis, Mississippi

Where is Bay St. Louis, Mississippi

Bay St. Louis Map, Mississippi, USA

Where is Bay St. Louis?: The Google Map showing the location of Bay St. Louis in the U.S. state of Mississippi.

Where is Bay St. Louis Located?

Bay St. Louis is a city located in the Hancock County of Mississippi, United States. Bay St. Louis lies between 39.4748693 Degrees North latitudes and 118.7770407 Degrees West longitudes. According to 2020 U.S.census, the population of Bay St. Louis city is 9284 people and the city has a total area of 14.69 sq mi. The city has numerous parks and recreational facilities.

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Bay St. Louis, Mississippi Quick Facts

FactDetails
CityBay St. Louis
CountyHancock County
StateMississippi
CountryUnited States
RegionMississippi Gulf Coast
Latitude30.3088°N
Longitude89.3303°W
Elevation23 ft (7 m)
Land Area13.8 sq mi
Water Area2.8 sq mi
Total Area16.6 sq mi
Population (Census 2020)9,707
Population DensityApproximately 703 per sq mi
ZIP Code39520
Area Code228
Time ZoneCentral Time (CT)
FIPS Code28-03940

Nearby Cities and Communities to Bay St. Louis, Mississippi

  • Waveland, Mississippi - 3 mi (5 km)
  • Diamondhead, Mississippi - 8 mi (13 km)
  • Pass Christian, Mississippi - 12 mi (19 km)
  • Kiln, Mississippi - 14 mi (23 km)
  • Pearlington, Mississippi - 18 mi (29 km)
  • Long Beach, Mississippi - 24 mi (39 km)
  • Gulfport, Mississippi - 33 mi (53 km)
  • Slidell, Louisiana - 35 mi (56 km)
  • Biloxi, Mississippi - 47 mi (76 km)
  • New Orleans, Louisiana - 59 mi (95 km)

Bay St. Louis, Mississippi Climate and Weather Overview

MonthAvg HighAvg LowAvg Precipitation
January62°F43°F5.5 in
April77°F57°F5.3 in
July91°F75°F7.3 in
October81°F60°F3.8 in
Climate AttributeDetails
Climate TypeHumid Subtropical (Cfa)
Annual RainfallApproximately 65 inches
Annual SunshineApproximately 220 sunny days
Average SnowfallRare
Main Weather RisksHurricanes, Tropical Storms, Coastal Flooding and Thunderstorms

Driving Distances from Bay St. Louis, Mississippi

DestinationDistanceDistance (km)Drive Time
Waveland3 mi5 km6 min
Diamondhead8 mi13 km12 min
Pass Christian12 mi19 km18 min
Kiln14 mi23 km20 min
Long Beach24 mi39 km28 min
Gulfport33 mi53 km38 min
Slidell35 mi56 km40 min
Biloxi47 mi76 km55 min
New Orleans59 mi95 km1 hr 5 min

Transportation and Connectivity in Bay St. Louis, Mississippi

Nearest AirportGulfport-Biloxi International Airport
IATA CodeGPT
Major AirportLouis Armstrong New Orleans International Airport (MSY)
Major HighwaysInterstate 10, U.S. Highway 90 and Mississippi Highway 603
Rail ServiceAmtrak (Bay St. Louis Station)
Public TransitCoast Transit Authority (CTA)
  • Bay St. Louis is the county seat of Hancock County.
  • The city is known for its historic Old Town district and scenic Gulf Coast beaches.
  • Tourism, boating, fishing, hospitality and healthcare are major contributors to the local economy.
  • Bay St. Louis is recognized as one of Mississippi's premier coastal arts communities.
  • The city offers easy access to New Orleans while maintaining a relaxed small-town atmosphere.

Key Landmarks and Places to Visit in Bay St. Louis, Mississippi

LandmarkType
Old Town Bay St. LouisHistoric District
Bay St. Louis BeachPublic Beach
Alice Moseley Folk Art MuseumArt Museum
100 Men D.B.A. HallHistoric Landmark
Hancock County Historical Society MuseumMuseum
Washington Street PierFishing Pier
Buccaneer State ParkState Park
Hollywood Casino Gulf CoastCasino Resort

Colleges and Universities Near Bay St. Louis, Mississippi

InstitutionTypeDistanceNotable For
Pearl River Community CollegeCommunity College20 miCareer and transfer programs
University of Southern Mississippi - Gulf ParkPublic University28 miBusiness and coastal studies
Mississippi Gulf Coast Community CollegeCommunity College30 miTechnical and workforce education
Tulane UniversityPrivate University61 miResearch and professional studies
University of New OrleansPublic University60 miEngineering and research

Waterbodies in and Near Bay St. Louis, Mississippi

Bay of St. Louis, Mississippi Sound, Jourdan River, Wolf River, Gulf of Mexico, Bayou La Croix, Pearl River, Heron Bay, Hancock Bay and Jordan Bay.

Golf Courses in and Near Bay St. Louis, Mississippi

The Bridges Golf Club at Hollywood Casino, Diamondhead Country Club (Cardinal Course), Diamondhead Country Club (Pine Course), Pass Christian Isles Golf Club, Windance Country Club, Grand Bear Golf Club and Shell Landing Golf Club.

Bay St. Louis, Mississippi - Key Historical Facts

  • French settlers established Bay St. Louis during the late seventeenth century, making it one of the oldest communities on the Gulf Coast.
  • The city became an important fishing, shipping and resort destination during the nineteenth century.
  • Its historic downtown preserves many restored homes, galleries and cultural landmarks.
  • Hurricane Katrina caused extensive damage in 2005, followed by a major community rebuilding effort.
  • Today, Bay St. Louis is celebrated for its waterfront, arts scene and historic coastal character.

References

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