U.S. ZIP Code tools

39521 · Population & demographics · Bay Saint Louis MS

ZIP Code
39521

Bay Saint Louis, MS

City / locality
Bay Saint Louis
State
Mississippi
ZIP Code type
Type not provided
Latitude
30.4032
Longitude
-89.4982
Coordinate source
GeoNames Postal
Source
GeoNames Postal
Source year
Inherited source snapshot

Some U.S. place names and coordinates come from GeoNames as geographic references. They are not confirmation of the USPS preferred mailing city.

ZCTAs are Census statistical areas. Their boundaries do not represent every USPS ZIP Code or an exact postal delivery boundary.

Population & demographics

ACS estimates are not available for this ZCTA and selected year.

Source

GeoNames Postal

Source year: Source vintage not supplied

GeoNames Postal

U.S. Census Bureau Gazetteer

Source year: 2026 Gazetteer

U.S. Census Bureau Gazetteer