St. Tammany Parish County Map
The County of St. Tammany Parish is located in the State of Louisiana. Find directions to St. Tammany Parish County, browse local businesses, landmarks, get current traffic estimates, road conditions, and more. According to the 2020 US Census the St. Tammany Parish County population is estimated at 263,446 people. The St. Tammany Parish County time zone is Central Daylight Time which is 6 hours behind Coordinated Universal Time (UTC).
Top cities include Slidell, Mandeville, Covington, Pearl River, Abita Springs