THE HARDIN COUNTY LAND BRIEF
Land in the
Northern Hilly Gulf Coastal Plain setting.
Hardin County has 577.5 square miles of land in Tennessee. 4 mapped landscape regions meet across Hardin County: Northern Hilly Gulf Coastal Plain, Transition Hills, Western Highland Rim, among others.
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.
Regional context: Southeastern Plains ↗ · Regional mapping across the county footprint
Where the landscape changes
Hardin County intersects 4 mapped regional units. The largest mapped shares are:
- Northern Hilly Gulf Coastal Plain45.4%
- Transition Hills42.8%
- Western Highland Rim9.8%
- Fall Line Hills2.1%
Interior Plateau in Hardin County
Open hills, irregular plains and tablelands are developed on limestone and other sedimentary rocks. Oak-hickory woodland, local prairie and cedar-glade settings contribute to this diverse inland plateau.
Read the regional source ↗Finding your parcel within Hardin County
The atlas lists 12 cities, towns, townships, and Census communities associated with Hardin County, including Savannah, Olivet, Walnut Grove. The list includes overlapping geography types and does not divide the county into exclusive service areas.
Hardin County by land and water
The Census records 18.8 square miles of water within Hardin County, or 3.2% of its total area. That share is close to Hardin County’s 3.2%. This is geographic context; waterfront status and usable land must be checked at the parcel.
For scale, Hardin County has 96.8 times the land area of nearby Olivet CDP (5.97 square miles). These areas describe boundaries, not comparable property prices.
The Census boundary meets Chester County, Decatur County, Henderson County, McNairy County, Wayne County within Tennessee. A tract near one of these lines should be matched to the county identifier on its own records.

