THE ST. JAMES PARISH LAND BRIEF
Land in the
Inland Swamps setting.
St. James Parish has 237.9 square miles of land in Louisiana. 2 mapped landscape regions meet across St. James Parish: Inland Swamps, Southern Holocene Meander Belts.
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. James Parish intersects 2 mapped regional units. The largest mapped shares are:
- Inland Swamps54.5%
- Southern Holocene Meander Belts45.5%
Finding your parcel within St. James Parish
The atlas lists 14 cities, towns, townships, and Census communities associated with St. James Parish, including Union, St. James, North Vacherie. The list includes overlapping geography types and does not divide the county into exclusive service areas.
St. James Parish by land and water
The Census records 15 square miles of water within St. James Parish, or 5.9% of its total area. That share is close to St. James Parish’s 5.9%. This is geographic context; waterfront status and usable land must be checked at the parcel.
For scale, St. James Parish has 68.7 times the land area of nearby Hester CDP (3.46 square miles). These areas describe boundaries, not comparable property prices.
The Census boundary meets Ascension Parish, Assumption 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.

