THE ONTONAGON COUNTY LAND BRIEF
Land in the
Lake Superior Clay Plain setting.
Ontonagon County has 1,311 square miles of land in Michigan. 4 mapped landscape regions meet across Ontonagon County: Lake Superior Clay Plain, Superior Mineral Ranges, Winegar Dead Ice Moraine, among others.
Glacial hills, till plains, sandy outwash and old lake basins create a varied northern landscape. Conifer and hardwood forests surround many lakes across these glacially shaped uplands.
Regional context: Northern Lakes and Forests ↗ · Regional mapping across the county footprint
Where the landscape changes
Ontonagon County intersects 4 mapped regional units. The largest mapped shares are:
- Lake Superior Clay Plain62.8%
- Superior Mineral Ranges25%
- Winegar Dead Ice Moraine11.7%
- Keweenaw-Baraga Moraines0.4%
Finding your parcel within Ontonagon County
The atlas lists 20 cities, towns, townships, and Census communities associated with Ontonagon County, including Carp Lake, Ontonagon, Stannard. The list includes overlapping geography types and does not divide the county into exclusive service areas.
Ontonagon County by land and water
The Census records 2,429.5 square miles of water within Ontonagon County, or 65% of its total area. That share is close to Ontonagon County’s 65%. This is geographic context; waterfront status and usable land must be checked at the parcel.
For scale, Ontonagon County has 356.1 times the land area of nearby Ontonagon village (3.68 square miles). These areas describe boundaries, not comparable property prices.
The Census boundary meets Gogebic County, Houghton County, Iron County, Keweenaw County within Michigan. A tract near one of these lines should be matched to the county identifier on its own records.

