THE CLINTON COUNTY LAND BRIEF
Land in the
Loamy High Lime Till Plains setting.
Clinton County has 408.7 square miles of land in Ohio. 3 mapped landscape regions meet across Clinton County: Loamy High Lime Till Plains, Pre-Wisconsinan Drift Plains, Darby Plains.
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
Clinton County intersects 3 mapped regional units. The largest mapped shares are:
- Loamy High Lime Till Plains69.2%
- Pre-Wisconsinan Drift Plains21.8%
- Darby Plains9%
Finding your parcel within Clinton County
The atlas lists 22 cities, towns, townships, and Census communities associated with Clinton County, including Union, Green, Clark. The list includes overlapping geography types and does not divide the county into exclusive service areas.
Clinton County by land and water
The Census records 3.6 square miles of water within Clinton County, or 0.9% of its total area. That share is close to Clinton County’s 0.9%. This is geographic context; waterfront status and usable land must be checked at the parcel.
For scale, Clinton County has 31.6 times the land area of nearby Wilmington city (12.9 square miles). These areas describe boundaries, not comparable property prices.
The Census boundary meets Brown County, Clermont County, Fayette County, Greene County, Highland County, Warren County within Ohio. A tract near one of these lines should be matched to the county identifier on its own records.

