St. Tammany Parish

This information is up-to-date as of 2016.

St. Tammany Parish is a parish located in the U.S. state of Louisiana. As of the 2010 census, the population was 233,740, making it the fifth-most populous parish in Louisiana. The parish seat is Covington. The parish was founded in 1810.

St. Tammany Parish is one of the fastest-growing parishes in the state, along with Livingston and Ascension.

St. Tammany Parish is colloquially referred to as part of the "Northshore" or "North Shore" throughout metropolitan New Orleans, owing to its location on Lake Pontchartrain. It is the most affluent parish in the state, has a nationally-recognized system of public schools, and is the most politically conservative parish in the New Orleans region.