St. Tammany Parish is a parish located in the state of Louisiana. Based on 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 included in the New Orleans-Metairie, LA Metropolitan Statistical Area. St. Tammany Parish is one of the fastest-growing
parishes in the state, along with Livingston and Ascension.
The parish was named in honor of the legendary Indian Chief Tamanend.
County QuickFacts: CensusBureau Quick Facts
St. Tammany Parish was created on 1810, from St. Helena and Orleans Parishes and the parish was named in honor of the legendary Indian Chief Tamanend. The Parish seat is Covington.
As reported by the Census Bureau, the parish has a total area of 1,124 square miles (2,910 km2), of which 846 square miles (2,190 km2) is land and 279 square miles (720 km2) (25%) is water. It is located to the north of Lake Pontchartrain.
Bordering parishes and counties are as follows:
St. Tammany Parish Public Schools operates the public schools in the parish. They are consistently rated as among the highest-performing in
the state.
The parish is the eponym of Saint Tammany Hall on the campus of Southeastern Louisiana University, in neighboring Tangipahoa Parish.
Covington and Slidell host the North Shore campuses of Delgado Community College.