THE CLAY COUNTY LAND BRIEF
Land in the
Eastern Highland Rim setting.
Clay County has 236.5 square miles of land in Tennessee. 2 mapped landscape regions meet across Clay County: Eastern Highland Rim, Outer Nashville Basin.
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.
Regional context: Interior Plateau ↗ · Regional mapping across the county footprint
Where the landscape changes
Clay County intersects 2 mapped regional units. The largest mapped shares are:
- Eastern Highland Rim89.3%
- Outer Nashville Basin10.7%
Finding your parcel within Clay County
The atlas lists 1 cities, towns, townships, and Census communities associated with Clay County, including Celina. The list includes overlapping geography types and does not divide the county into exclusive service areas.
Clay County by land and water
The Census records 22.8 square miles of water within Clay County, or 8.8% of its total area. That share is close to Clay County’s 8.8%. This is geographic context; waterfront status and usable land must be checked at the parcel.
For scale, Clay County has 128.3 times the land area of nearby Celina city (1.84 square miles). These areas describe boundaries, not comparable property prices.
The Census boundary meets Jackson County, Macon County, Overton County, Pickett County within Tennessee. A tract near one of these lines should be matched to the county identifier on its own records.

