THE CLAY COUNTY LAND BRIEF
Land in the
Glaciated Wabash Lowlands setting.
Clay County has 357.6 square miles of land in Indiana. 2 mapped landscape regions meet across Clay County: Glaciated Wabash Lowlands, Crawford-Mammoth Cave Uplands.
Broad terraced river valleys contrast with wooded slopes and dissected glacial plains. Bottomland settings and upland oak landscapes occur close together across the Interior River Valleys and Hills.
Regional context: Interior River Valleys and Hills ↗ · Regional mapping across the county footprint
Where the landscape changes
Clay County intersects 2 mapped regional units. The largest mapped shares are:
- Glaciated Wabash Lowlands96.1%
- Crawford-Mammoth Cave Uplands3.9%
Interior Plateau in Clay 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 Clay County
The atlas lists 26 cities, towns, townships, and Census communities associated with Clay County, including Harrison, Perry, Lewis. 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 2.72 square miles of water within Clay County, or 0.8% of its total area. That share is close to Clay County’s 0.8%. This is geographic context; waterfront status and usable land must be checked at the parcel.
For scale, Clay County has 12.9 times the land area of nearby Sugar Ridge township (27.7 square miles). These areas describe boundaries, not comparable property prices.
The Census boundary meets Greene County, Owen County, Parke County, Putnam County, Sullivan County, Vigo County within Indiana. A tract near one of these lines should be matched to the county identifier on its own records.

