THE DEWEY LAND BRIEF
Land in the
Lake Agassiz Plains setting.
Dewey township has 34.7 square miles of land in Roseau County. Its Census reference point is in Lake Agassiz Plains, within Lake Agassiz Plain.
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.
Regional context: Lake Agassiz Plain ↗ · Classification at the Census reference point
Dewey and Roseau County
Dewey is associated with Roseau County in the Census boundary data. Start with the parcel’s tax bill to match the property to that jurisdiction, then confirm which government handles its land use.
Dewey by land and water
The Census records 0 square miles of water within Dewey, or 0% of its total area. It is 0.4 percentage points lower than the 0.4% recorded for Roseau County. This is geographic context; waterfront status and usable land must be checked at the parcel.
For scale, Dewey township has 1 times the land area of nearby Hereim township (33.1 square miles). These areas describe boundaries, not comparable property prices.

