THE WALSH COUNTY LAND BRIEF
Land in the
Glacial Lake Agassiz Basin setting.
Walsh County has 1,281.6 square miles of land in North Dakota. 5 mapped landscape regions meet across Walsh County: Glacial Lake Agassiz Basin, Drift Plains, Beach Ridges and Sand Deltas, 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
Walsh County intersects 5 mapped regional units. The largest mapped shares are:
- Glacial Lake Agassiz Basin56%
- Drift Plains31.8%
- Beach Ridges and Sand Deltas4.8%
- Pembina Escarpment4.3%
- Saline Area3.1%
Northern Glaciated Plains in Walsh 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 Walsh County
The atlas lists 51 cities, towns, townships, and Census communities associated with Walsh County, including Acton, St. Andrews, Farmington. The list includes overlapping geography types and does not divide the county into exclusive service areas.
Walsh County by land and water
The Census records 12.4 square miles of water within Walsh County, or 1% of its total area. That share is close to Walsh County’s 1%. This is geographic context; waterfront status and usable land must be checked at the parcel.
For scale, Walsh County has 494.8 times the land area of nearby Park River city (2.59 square miles). These areas describe boundaries, not comparable property prices.
The Census boundary meets Cavalier County, Grand Forks County, Nelson County, Pembina County, Ramsey County within North Dakota. A tract near one of these lines should be matched to the county identifier on its own records.

