THE DULAC LAND BRIEF
Land in the
Deltaic Coastal Marshes and Barrier Islands setting.
Dulac CDP has 16 square miles of land in Terrebonne Parish. Its Census reference point is in Deltaic Coastal Marshes and Barrier Islands, within Mississippi Alluvial Plain.
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 ↗ · Classification at the Census reference point
Dulac and Terrebonne Parish
Dulac is associated with Terrebonne 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.
Dulac by land and water
The Census records 2.17 square miles of water within Dulac, or 11.9% of its total area. It is 29 percentage points lower than the 40.9% recorded for Terrebonne Parish. This is geographic context; waterfront status and usable land must be checked at the parcel.
For scale, Dulac CDP has 3.4 times the land area of nearby Chauvin CDP (4.76 square miles). These areas describe boundaries, not comparable property prices.

