THE ROSEAU COUNTY LAND BRIEF
Land in the
Peatlands setting.
Roseau County has 1,671.7 square miles of land in Minnesota. 3 mapped landscape regions meet across Roseau County: Peatlands, Lake Agassiz Plains, Beach Ridges and Sand Deltas.
Former glacial lake basins form nearly level terrain with extensive wetlands and boreal vegetation. Marsh, swamp and forest patterns are central to this northern Minnesota landscape.
Regional context: Northern Minnesota Wetlands ↗ · Regional mapping across the county footprint
Where the landscape changes
Roseau County intersects 3 mapped regional units. The largest mapped shares are:
- Peatlands57.9%
- Lake Agassiz Plains35.6%
- Beach Ridges and Sand Deltas6.5%
Lake Agassiz Plain in Roseau 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 ↗Finding your parcel within Roseau County
The atlas lists 39 cities, towns, townships, and Census communities associated with Roseau County, including Lake, Jadis, Dieter. The list includes overlapping geography types and does not divide the county into exclusive service areas.
Roseau County by land and water
The Census records 6.53 square miles of water within Roseau County, or 0.4% of its total area. That share is close to Roseau County’s 0.4%. This is geographic context; waterfront status and usable land must be checked at the parcel.
For scale, Roseau County has 46.4 times the land area of nearby Stafford township (36 square miles). These areas describe boundaries, not comparable property prices.
The Census boundary meets Beltrami County, Kittson County, Lake of the Woods County, Marshall County within Minnesota. A tract near one of these lines should be matched to the county identifier on its own records.

