THE RICHLAND COUNTY LAND BRIEF
Land in the
Low Lime Drift Plain setting.
Richland County has 495.2 square miles of land in Ohio. 2 mapped landscape regions meet across Richland County: Low Lime Drift Plain, Clayey High Lime Till Plains.
Low rounded hills, glacial moraines, kettles and wetland areas define the Erie Drift Plain. Its terrain is more varied than nearby flatter farming regions and less rugged than the unglaciated plateaus.
Regional context: Erie Drift Plain ↗ · Regional mapping across the county footprint
Where the landscape changes
Richland County intersects 2 mapped regional units. The largest mapped shares are:
- Low Lime Drift Plain79.6%
- Clayey High Lime Till Plains20.4%
Eastern Corn Belt Plains in Richland County
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.
Read the regional source ↗Finding your parcel within Richland County
The atlas lists 31 cities, towns, townships, and Census communities associated with Richland County, including Springfield, Monroe, Jefferson. The list includes overlapping geography types and does not divide the county into exclusive service areas.
Richland County by land and water
The Census records 4.85 square miles of water within Richland County, or 1% of its total area. That share is close to Richland County’s 1%. This is geographic context; waterfront status and usable land must be checked at the parcel.
For scale, Richland County has 16 times the land area of nearby Mansfield city (30.9 square miles). These areas describe boundaries, not comparable property prices.
The Census boundary meets Ashland County, Crawford County, Huron County, Knox County, Morrow County within Ohio. A tract near one of these lines should be matched to the county identifier on its own records.

