THE DARKE COUNTY LAND BRIEF
Land in the
Loamy High Lime Till Plains setting.
Darke County has 598.1 square miles of land in Ohio. 3 mapped landscape regions meet across Darke County: Loamy High Lime Till Plains, Clayey High Lime Till Plains, Whitewater Interlobate Area.
Rolling glacial till plains are interrupted by end moraines and areas of older, more dissected deposits. The historical landscape had more tree cover than the Central Corn Belt to the west.
Regional context: Eastern Corn Belt Plains ↗ · Regional mapping across the county footprint
Where the landscape changes
Darke County intersects 3 mapped regional units. The largest mapped shares are:
- Loamy High Lime Till Plains60.9%
- Clayey High Lime Till Plains34%
- Whitewater Interlobate Area5.1%
Finding your parcel within Darke County
The atlas lists 41 cities, towns, townships, and Census communities associated with Darke County, including Greenville, Adams, Butler. The list includes overlapping geography types and does not divide the county into exclusive service areas.
Darke County by land and water
The Census records 1.64 square miles of water within Darke County, or 0.3% of its total area. That share is close to Darke County’s 0.3%. This is geographic context; waterfront status and usable land must be checked at the parcel.
For scale, Darke County has 10.4 times the land area of nearby Greenville township (57.3 square miles). These areas describe boundaries, not comparable property prices.
The Census boundary meets Mercer County, Miami County, Montgomery County, Preble County, Shelby County within Ohio. A tract near one of these lines should be matched to the county identifier on its own records.

