THE HANCOCK COUNTY LAND BRIEF
Land in the
Gulf Coast Flatwoods setting.
Hancock County has 474 square miles of land in Mississippi. 4 mapped landscape regions meet across Hancock County: Gulf Coast Flatwoods, Southern Pine Plains and Hills, Gulf Barrier Islands and Coastal Marshes, among others.
Low plains mingle with barrier islands, lagoons, marshes and inland lake districts. Coastal and inland settings vary substantially within this warm southeastern landscape.
Regional context: Southern Coastal Plain ↗ · Regional mapping across the county footprint
Where the landscape changes
Hancock County intersects 4 mapped regional units. The largest mapped shares are:
- Gulf Coast Flatwoods43.2%
- Southern Pine Plains and Hills40.3%
- Gulf Barrier Islands and Coastal Marshes12%
- Floodplains and Low Terraces4.5%
Southeastern Plains in Hancock County
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.
Read the regional source ↗Finding your parcel within Hancock County
The atlas lists 5 cities, towns, townships, and Census communities associated with Hancock County, including Bay St. Louis, Kiln, Diamondhead. The list includes overlapping geography types and does not divide the county into exclusive service areas.
Hancock County by land and water
The Census records 78.8 square miles of water within Hancock County, or 14.3% of its total area. That share is close to Hancock County’s 14.3%. This is geographic context; waterfront status and usable land must be checked at the parcel.
For scale, Hancock County has 36 times the land area of nearby Kiln CDP (13.2 square miles). These areas describe boundaries, not comparable property prices.
The Census boundary meets Harrison County, Pearl River County, Stone County within Mississippi. A tract near one of these lines should be matched to the county identifier on its own records.

