THE ST. CHARLES PARISH LAND BRIEF
Land in the
Deltaic Coastal Marshes and Barrier Islands setting.
St. Charles Parish has 277.7 square miles of land in Louisiana. 3 mapped landscape regions meet across St. Charles 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
St. Charles Parish intersects 3 mapped regional units. The largest mapped shares are:
- Deltaic Coastal Marshes and Barrier Islands62.9%
- Southern Holocene Meander Belts19.5%
- Inland Swamps17.6%
Finding your parcel within St. Charles Parish
The atlas lists 14 cities, towns, townships, and Census communities associated with St. Charles Parish, including Luling, Boutte, Bayou Gauche. The list includes overlapping geography types and does not divide the county into exclusive service areas.
St. Charles Parish by land and water
The Census records 119.2 square miles of water within St. Charles Parish, or 30% of its total area. That share is close to St. Charles Parish’s 30%. This is geographic context; waterfront status and usable land must be checked at the parcel.
For scale, St. Charles Parish has 11.9 times the land area of nearby Luling CDP (23.3 square miles). These areas describe boundaries, not comparable property prices.
The Census boundary meets Jefferson Parish, Lafourche Parish, St. John the Baptist Parish within Louisiana. A tract near one of these lines should be matched to the county identifier on its own records.