St. Tammany Parish


St. Tammany Parish is the fastest-growing parish in Louisiana and one of the fastest-growing communities in the nation. Close proximity to New Orleans (20 miles), transportation accessibility (U.S. Interstates 10, 12, and 59), low business costs, availability of labor, a superb school system, a low crime rate, and first-rate medical facilities are all important reasons why businesses and residents are choosing St. Tammany Parish.


St. Tammany Parish is also home to breathtaking bayou scenes, lakeshore recreation, and countryside landscapes, as well as talented artists who capture its essence via film, canvas, musical scores, and plays. Appreciation of the arts plays an important part of the community with its many fine galleries, studios, playhouses, and frequent art-inspired cultural events.

Largest Corporations

Gilsbar, Inc.
Hornbeck Offshore Services
Lakeview Regional Medical Center
Pool Corp.
Slidell Memorial Hospital
St. Tammany Parish Hospital
Southeast Louisiana Hospital
Textron Marine & Land Systems
Tulane Regional Primate Research Center
Walmart Associates, Inc.


Population  – 258,111
Median Age – 39.8


Housing Units – 100,551
Owner Occupied Housing Units – 90.9%
Median Gross Rent– $1,012
Estimated Median House or Condo Value – $206,600


Median Household Income – $66,539


Business Establishments – 8,335
Labor Force – 117,907 (10/18)
Unemployment Rate – 4.1% (10/18)

Parish Contact Information

St. Tammany Parish Government
21490 Koop Dr.
Mandeville, LA 70471
T: 985.898.2700

St. Tammany Corporation
21489 Koop Dr., Ste. 7
Mandeville, LA 70471
T: 985.809.7874

St. Tammany Chamber of Commerce
610 Hollycrest Blvd.
Covington, LA, 70433
T: 985.892.3216