THE LAFOURCHE PARISH LAND BRIEF
Land in the
Deltaic Coastal Marshes and Barrier Islands setting.
Lafourche Parish has 1,069.7 square miles of land in Louisiana. 3 mapped landscape regions meet across Lafourche Parish: Deltaic Coastal Marshes and Barrier Islands, Southern Holocene Meander Belts, Inland Swamps.
The Mississippi's broad alluvial plain includes river terraces, swales and natural levees. Small changes in elevation distinguish local settings within this generally flat river landscape.
Regional context: Mississippi Alluvial Plain ↗ · Regional mapping across the county footprint
Where the landscape changes
Lafourche Parish intersects 3 mapped regional units. The largest mapped shares are:
- Deltaic Coastal Marshes and Barrier Islands66%
- Southern Holocene Meander Belts21.9%
- Inland Swamps12.1%
Finding your parcel within Lafourche Parish
The atlas lists 16 cities, towns, townships, and Census communities associated with Lafourche Parish, including Chackbay, Bayou Blue, Raceland. The list includes overlapping geography types and does not divide the county into exclusive service areas.
Lafourche Parish by land and water
The Census records 398.7 square miles of water within Lafourche Parish, or 27.2% of its total area. That share is close to Lafourche Parish’s 27.2%. This is geographic context; waterfront status and usable land must be checked at the parcel.
For scale, Lafourche Parish has 73.1 times the land area of nearby Cut Off CDP (14.6 square miles). These areas describe boundaries, not comparable property prices.
The Census boundary meets Assumption Parish, Jefferson Parish, St. Charles Parish, St. James Parish, St. John the Baptist Parish, Terrebonne Parish within Louisiana. A tract near one of these lines should be matched to the county identifier on its own records.

