THE MIAMI COUNTY LAND BRIEF
Land in the
Clayey High Lime Till Plains setting.
Miami County has 373.8 square miles of land in Indiana. 4 mapped landscape regions meet across Miami County: Clayey High Lime Till Plains, Middle Tippecanoe Plains, Loamy High Lime Till Plains, among others.
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
Miami County intersects 4 mapped regional units. The largest mapped shares are:
- Clayey High Lime Till Plains61.9%
- Middle Tippecanoe Plains25.1%
- Loamy High Lime Till Plains8.8%
- Northern Indiana Lake Country4.3%
Southern Michigan/Northern Indiana Drift Plains in Miami County
Lakes, marshes and complex glacial deposits create a varied landscape around southern Michigan and northern Indiana. Moraines, beach ridges, dunes, kettles and meltwater channels occur across the region.
Read the regional source ↗Finding your parcel within Miami County
The atlas lists 26 cities, towns, townships, and Census communities associated with Miami County, including Perry, Richland, Jefferson. The list includes overlapping geography types and does not divide the county into exclusive service areas.
Miami County by land and water
The Census records 3.55 square miles of water within Miami County, or 0.9% of its total area. That share is close to Miami County’s 0.9%. This is geographic context; waterfront status and usable land must be checked at the parcel.
For scale, Miami County has 73.9 times the land area of nearby Peru city (5.06 square miles). These areas describe boundaries, not comparable property prices.
The Census boundary meets Cass County, Fulton County, Grant County, Howard County, Wabash County within Indiana. A tract near one of these lines should be matched to the county identifier on its own records.

