THE PUTNAM COUNTY LAND BRIEF
Land in the
Maumee Lake Plain setting.
Putnam County has 482.5 square miles of land in Ohio. 3 mapped landscape regions meet across Putnam County: Maumee Lake Plain, Paulding Plains, Clayey High Lime Till Plains.
A broad former lake plain is interrupted by old beach ridges, dunes and glacial moraines. The landscape is mostly low-relief, with important differences between sandy rises and lower ground.
Regional context: Huron/Erie Lake Plains ↗ · Regional mapping across the county footprint
Where the landscape changes
Putnam County intersects 3 mapped regional units. The largest mapped shares are:
- Maumee Lake Plain79.5%
- Paulding Plains14.9%
- Clayey High Lime Till Plains5.6%
Eastern Corn Belt Plains in Putnam 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 Putnam County
The atlas lists 31 cities, towns, townships, and Census communities associated with Putnam County, including Pleasant, Liberty, Palmer. The list includes overlapping geography types and does not divide the county into exclusive service areas.
Putnam County by land and water
The Census records 1.76 square miles of water within Putnam County, or 0.4% of its total area. That share is close to Putnam County’s 0.4%. This is geographic context; waterfront status and usable land must be checked at the parcel.
For scale, Putnam County has 277.8 times the land area of nearby Glandorf village (1.74 square miles). These areas describe boundaries, not comparable property prices.
The Census boundary meets Allen County, Defiance County, Hancock County, Henry County, Paulding County, Van Wert County, Wood County within Ohio. A tract near one of these lines should be matched to the county identifier on its own records.

