ZIP code · Bay Saint Louis · Mississippi · United States
ZIP code 39520 — Bay Saint Louis
ZIP code 39520 serves Bay Saint Louis, Mississippi.
- Postal code
- 39520Single source Value from one source, not cross-checked.
- City
- Bay Saint Louis
- County
- Hancock
- State
- Mississippi
- Country
- United States
- Coordinates
- 30.2956, -89.4632 — precision precise (locality)
View on OpenStreetMap - Population
- 15,471 (ZCTA, ACS 5-year)
- Median household income
- $65,139
- Median age
- 48.8
Nearby localities
About this page
US ZIP codes have five digits. They are postal routing areas, not administrative boundaries: a ZIP can span more than one city or county, and the city shown is the primary USPS name for that code.
GeoNames · census-acs5. Data generated on 2026-08-21. Methodology · Report an error on this page