THE OTTER TAIL COUNTY LAND BRIEF
Land in the
Alexandria Moraines and Detroit Lakes Outwash Plain setting.
Otter Tail County has 1,971.6 square miles of land in Minnesota. 4 mapped landscape regions meet across Otter Tail County: Alexandria Moraines and Detroit Lakes Outwash Plain, Wadena/Todd Drumlins and Osakis Till Plain, Glacial Lake Agassiz Basin, among others.
This transition between northern forests and southern farming country includes lakes, wetlands and hardwood woodland. Glacial landforms support a mosaic of open land and wooded areas.
Regional context: North Central Hardwood Forests ↗ · Regional mapping across the county footprint
Where the landscape changes
Otter Tail County intersects 4 mapped regional units. The largest mapped shares are:
- Alexandria Moraines and Detroit Lakes Outwash Plain70.4%
- Wadena/Todd Drumlins and Osakis Till Plain22.9%
- Glacial Lake Agassiz Basin6.5%
- Itasca and St. Louis Moraines0.2%
Lake Agassiz Plain in Otter Tail County
The former bed of glacial Lake Agassiz forms an exceptionally flat plain in the Red River valley. Thick lake sediments overlie older glacial deposits across this historic prairie landscape.
Read the regional source ↗Northern Lakes and Forests in Otter Tail County
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.
Read the regional source ↗Finding your parcel within Otter Tail County
The atlas lists 84 cities, towns, townships, and Census communities associated with Otter Tail County, including Inman, Homestead, Elmo. The list includes overlapping geography types and does not divide the county into exclusive service areas.
Otter Tail County by land and water
The Census records 252.7 square miles of water within Otter Tail County, or 11.4% of its total area. That share is close to Otter Tail County’s 11.4%. This is geographic context; waterfront status and usable land must be checked at the parcel.
For scale, Otter Tail County has 85 times the land area of nearby Everts township (23.2 square miles). These areas describe boundaries, not comparable property prices.
The Census boundary meets Becker County, Clay County, Douglas County, Grant County, Todd County, Wadena County, Wilkin County within Minnesota. A tract near one of these lines should be matched to the county identifier on its own records.

