THE MARTIN COUNTY LAND BRIEF
Land in the
Crawford-Mammoth Cave Uplands setting.
Martin County has 335.8 square miles of land in Indiana. 2 mapped landscape regions meet across Martin County: Crawford-Mammoth Cave Uplands, Glaciated Wabash Lowlands.
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
Martin County intersects 2 mapped regional units. The largest mapped shares are:
- Crawford-Mammoth Cave Uplands96.9%
- Glaciated Wabash Lowlands3.1%
Interior River Valleys and Hills in Martin County
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.
Read the regional source ↗Finding your parcel within Martin County
The atlas lists 11 cities, towns, townships, and Census communities associated with Martin County, including Perry, Mitcheltree, Halbert. The list includes overlapping geography types and does not divide the county into exclusive service areas.
Martin County by land and water
The Census records 4.65 square miles of water within Martin County, or 1.4% of its total area. That share is close to Martin County’s 1.4%. This is geographic context; waterfront status and usable land must be checked at the parcel.
For scale, Martin County has 432.7 times the land area of nearby Dover Hill CDP (0.78 square miles). These areas describe boundaries, not comparable property prices.
The Census boundary meets Daviess County, Dubois County, Greene County, Lawrence County, Orange County within Indiana. A tract near one of these lines should be matched to the county identifier on its own records.

