THE MANDEVILLE LAND BRIEF
Land in the
Gulf Coast Flatwoods setting.
Mandeville city has 9.25 square miles of land in St. Tammany Parish. Its Census reference point is in Gulf Coast Flatwoods, within Southern Coastal Plain.
Low plains mingle with barrier islands, lagoons, marshes and inland lake districts. Coastal and inland settings vary substantially within this warm southeastern landscape.
Regional context: Southern Coastal Plain ↗ · Classification at the Census reference point
Mandeville and St. Tammany Parish
Mandeville is associated with St. Tammany Parish in the Census boundary data. Start with the parcel’s tax bill to match the property to that jurisdiction, then confirm which government handles its land use.
Mandeville by land and water
The Census records 0.18 square miles of water within Mandeville, or 1.9% of its total area. It is 21 percentage points lower than the 22.8% recorded for St. Tammany Parish. This is geographic context; waterfront status and usable land must be checked at the parcel.
For scale, Mandeville city has 18.6 times the land area of nearby Lewisburg CDP (0.5 square miles). These areas describe boundaries, not comparable property prices.

