THE RICHLAND COUNTY LAND BRIEF
Land in the
Glacial Lake Agassiz Basin setting.
Richland County has 1,435.7 square miles of land in North Dakota. 5 mapped landscape regions meet across Richland County: Glacial Lake Agassiz Basin, Beach Ridges and Sand Deltas, Tewaukon/Big Stone Stagnation Moraine, among others.
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 ↗ · Regional mapping across the county footprint
Where the landscape changes
Richland County intersects 5 mapped regional units. The largest mapped shares are:
- Glacial Lake Agassiz Basin45.4%
- Beach Ridges and Sand Deltas41.6%
- Tewaukon/Big Stone Stagnation Moraine12.2%
- Drift Plains0.5%
- Glacial Lake Basins0.4%
Northern Glaciated Plains in Richland County
Flat to gently rolling glacial terrain supports a prairie transition between taller and shorter grasses. Many temporary and seasonal wetlands occupy depressions left in the glacial landscape.
Read the regional source ↗Finding your parcel within Richland County
The atlas lists 50 cities, towns, townships, and Census communities associated with Richland County, including Duerr, Abercrombie, Colfax. The list includes overlapping geography types and does not divide the county into exclusive service areas.
Richland County by land and water
The Census records 9.67 square miles of water within Richland County, or 0.7% of its total area. That share is close to Richland County’s 0.7%. This is geographic context; waterfront status and usable land must be checked at the parcel.
For scale, Richland County has 40.6 times the land area of nearby Barney township (35.4 square miles). These areas describe boundaries, not comparable property prices.
The Census boundary meets Cass County, Ransom County, Sargent County within North Dakota. A tract near one of these lines should be matched to the county identifier on its own records.

