THE GIBSON COUNTY LAND BRIEF
Land in the
Green River-Southern Wabash Lowlands setting.
Gibson County has 487.4 square miles of land in Indiana. 2 mapped landscape regions meet across Gibson County: Green River-Southern Wabash Lowlands, Wabash-Ohio Bottomlands.
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
Gibson County intersects 2 mapped regional units. The largest mapped shares are:
- Green River-Southern Wabash Lowlands75.4%
- Wabash-Ohio Bottomlands24.6%
Finding your parcel within Gibson County
The atlas lists 22 cities, towns, townships, and Census communities associated with Gibson County, including Montgomery, Patoka, Union. The list includes overlapping geography types and does not divide the county into exclusive service areas.
Gibson County by land and water
The Census records 11.9 square miles of water within Gibson County, or 2.4% of its total area. That share is close to Gibson County’s 2.4%. This is geographic context; waterfront status and usable land must be checked at the parcel.
For scale, Gibson County has 7.1 times the land area of nearby Patoka township (68.5 square miles). These areas describe boundaries, not comparable property prices.
The Census boundary meets Knox County, Pike County, Posey County, Vanderburgh County, Warrick County within Indiana. A tract near one of these lines should be matched to the county identifier on its own records.

