There was a combined approximately $271 million of farms and rural land for sale in Louisiana's Saint Tammany Parish recently on Land.com. The total acreage of all Saint Tammany Parish farms, rural land, hunting land and other land for sale was nearly 5,000 acres. Saint Tammany Parish ranks second in the Creole State for the combined amount of land currently advertised for sale. Among cities in Saint Tammany Parish with farms and rural real estate for sale, Covington had the most land for sale. Saint Tammany Parish is Louisiana's 12th biggest county (1,095 square miles). It's located in the Greater New Orleans Louisiana region of the state.