St. Tammany County ZIP Codes

List of ZIP Codes in St. Tammany County

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


S.N. Zip Code Latitude Longitude City Population Density
1 70420 30.48767 -89.95907 Abita Springs 7,965 48.2
2 70431 30.61211 -89.97215 Bush 5,150 28.6
3 70433 30.46184 -90.13796 Covington 41,770 331.4
4 70435 30.55955 -90.101 Covington 21,525 79.8
5 70437 30.60909 -90.20928 Folsom 7,696 34.4
6 70445 30.36352 -89.91265 Lacombe 9,421 33.6
7 70447 30.42144 -90.20257 Madisonville 17,473 217.9
8 70448 30.36278 -90.03943 Mandeville 25,851 454.9
9 70452 30.41424 -89.76048 Pearl River 13,290 51.7
10 70457 30.52743 -90.11332 Saint Benedict 131 1075.3
11 70458 30.25864 -89.79441 Slidell 39,385 728.2
12 70460 30.29925 -89.83455 Slidell 21,880 219.8
13 70461 30.2326 -89.70931 Slidell 33,572 242.2
14 70463 30.6551 -89.90162 Sun 74 33.0
15 70464 30.54416 -89.89221 Talisheek 210 23.9
16 70471 30.407 -90.06346 Mandeville 23,745 317.3


About St. Tammany County ZIP Codes

St. Tammany County in Louisiana (LA) is served by approximately 16 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 269,138 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. Tammany County are located in cities such as Slidell, Covington, Mandeville, Madisonville, Pearl River. These cities and towns help define the economic and demographic character of the county.

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