List of 20 Zip Codes in St. Mary Parish, Louisiana

On this page, we'll list out the 20 St. Mary Parish, Louisiana ZIP codes we have, including the land area and county name of each code.

Louisiana is the 31st largest state by total land area, with a land area of 52,378 square miles (135,658 square kilometers) and has a total population of 4,664,616 people as of the most recent U.S. Census survey.

St. Mary Parish makes up approximately 2.82% of the total land area for Louisiana and we have 20 zip codes for the county in our database, which you can see details of below, with land area information for each zip code.

More Counties in Louisiana

If you want to search and find zip codes for different counties in Louisiana, the list below contains links to each of the 65 Louisiana counties we have data for.

• Acadia Parish
• Allen Parish
• Ascension Parish
• Assumption Parish
• Avoyelles Parish
• Beauregard Parish
• Bienville Parish
• Bossier Parish
• Caddo Parish
• Calcasieu Parish
• Caldwell Parish
• Cameron Parish
• Catahoula Parish
• Claiborne Parish
• Concordia Parish
• De Soto Parish
• East Baton Rouge Parish
• East Carroll Parish
• East Feliciana Parish
• Evangeline Parish
• Franklin Parish
• Grant Parish
• Iberia Parish
• Iberville Parish
• Jackson Parish
• Jefferson Davis Parish
• Jefferson Parish
• La Salle Parish
• Lafayette Parish
• Lafourche Parish
• Lincoln Parish
• Livingston Parish
• Madison Parish
• Morehouse Parish
• Natchitoches Parish
• Orleans Parish
• Ouachita Parish
• Plaquemines Parish
• Pointe Coupee Parish
• Rapides Parish
• Red River Parish
• Richland Parish
• Sabine Parish
• St. Bernard Parish
• St. Charles Parish
• St. Helena Parish
• St. James Parish
• St. John the Baptist Parish
• St. Landry Parish
• St. Martin Parish
• St. Mary Parish
• St. Tammany Parish
• Tangipahoa Parish
• Tensas Parish
• Terrebonne Parish
• Union County
• Union Parish
• Vermilion Parish
• Vernon Parish
• Washington Parish
• Webster Parish
• West Baton Rouge Parish
• West Carroll Parish
• West Feliciana Parish
• Winn Parish

Data Source(s)

All of the zip code data on this page is sourced from the United States Census Bureau geography reference files.

Link To or Reference This Page

We spent a lot of time downloading, cleaning, merging, and formatting the data that is shown on the site.

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