St. Martin County ZIP Codes

List of ZIP Codes in St. Martin County

The following table lists ZIP Codes associated with St. Martin County, Louisiana, based on ZIP Code Tabulation Area (ZCTA) data from the U.S. Census Bureau.

About St. Martin County ZIP Codes

St. Martin County in Louisiana (LA) is served by approximately 3 ZIP Codes. These codes cover residential neighborhoods, business districts, and rural areas that fall under the county's jurisdiction.

Based on ZIP-level population estimates, the total population covered by these ZIP Codes is around 45,816 people. Population and density values vary from one ZIP Code to another, reflecting the mix of dense urban communities and lower-density suburban or rural zones.

Many of the most significant population centers in St. Martin County are located in cities such as Breaux Bridge, Saint Martinville, Cade. These cities and towns help define the economic and demographic character of the county.

Most ZIP Codes in St. Martin County, Louisiana follow the America/Chicago time zone.