THE MONROE COUNTY LAND BRIEF
Land in the
Maumee Lake Plain setting.
Monroe County has 549.4 square miles of land in Michigan. 2 mapped landscape regions meet across Monroe County: Maumee Lake Plain, Oak Openings.
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
Monroe County intersects 2 mapped regional units. The largest mapped shares are:
- Maumee Lake Plain74.5%
- Oak Openings25.5%
Finding your parcel within Monroe County
The atlas lists 33 cities, towns, townships, and Census communities associated with Monroe County, including Dundee, Raisinville, Summerfield. The list includes overlapping geography types and does not divide the county into exclusive service areas.
Monroe County by land and water
The Census records 130.6 square miles of water within Monroe County, or 19.2% of its total area. That share is close to Monroe County’s 19.2%. This is geographic context; waterfront status and usable land must be checked at the parcel.
For scale, Monroe County has 439.1 times the land area of nearby West Monroe CDP (1.25 square miles). These areas describe boundaries, not comparable property prices.
The Census boundary meets Lenawee County, Washtenaw County, Wayne County within Michigan. A tract near one of these lines should be matched to the county identifier on its own records.

