THE WASHINGTON PARISH LAND BRIEF
Land in the
Southern Pine Plains and Hills setting.
Washington Parish has 669.6 square miles of land in Louisiana. 3 mapped landscape regions meet across Washington Parish: Southern Pine Plains and Hills, Southeastern Floodplains and Low Terraces, Floodplains and Low Terraces.
Irregular plains of sand, silt and clay support a mix of pine and hardwood landscapes. The region has more relief than the lower coastal plain, with generally gentle stream gradients.
Regional context: Southeastern Plains ↗ · Regional mapping across the county footprint
Where the landscape changes
Washington Parish intersects 3 mapped regional units. The largest mapped shares are:
- Southern Pine Plains and Hills90%
- Southeastern Floodplains and Low Terraces9.9%
- Floodplains and Low Terraces0.1%
Southern Coastal Plain in Washington Parish
Low plains mingle with barrier islands, lagoons, marshes and inland lake districts. Coastal and inland settings vary substantially within this warm southeastern landscape.
Read the regional source ↗Finding your parcel within Washington Parish
The atlas lists 5 cities, towns, townships, and Census communities associated with Washington Parish, including Bogalusa, Franklinton, Angie. The list includes overlapping geography types and does not divide the county into exclusive service areas.
Washington Parish by land and water
The Census records 6.23 square miles of water within Washington Parish, or 0.9% of its total area. That share is close to Washington Parish’s 0.9%. This is geographic context; waterfront status and usable land must be checked at the parcel.
For scale, Washington Parish has 153.2 times the land area of nearby Franklinton town (4.37 square miles). These areas describe boundaries, not comparable property prices.
The Census boundary meets St. Tammany Parish, Tangipahoa Parish within Louisiana. A tract near one of these lines should be matched to the county identifier on its own records.

