THE TRAILL COUNTY LAND BRIEF
Land in the
Glacial Lake Agassiz Basin setting.
Traill County has 861.9 square miles of land in North Dakota. 3 mapped landscape regions meet across Traill County: Glacial Lake Agassiz Basin, Beach Ridges and Sand Deltas, Drift Plains.
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
Traill County intersects 3 mapped regional units. The largest mapped shares are:
- Glacial Lake Agassiz Basin90.9%
- Beach Ridges and Sand Deltas7.8%
- Drift Plains1.3%
Northern Glaciated Plains in Traill 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 Traill County
The atlas lists 36 cities, towns, townships, and Census communities associated with Traill County, including Ervin, Stavanger, Bloomfield. The list includes overlapping geography types and does not divide the county into exclusive service areas.
Traill County by land and water
The Census records 0.57 square miles of water within Traill County, or 0.1% of its total area. That share is close to Traill County’s 0.1%. This is geographic context; waterfront status and usable land must be checked at the parcel.
For scale, Traill County has 24.1 times the land area of nearby Norway township (35.7 square miles). These areas describe boundaries, not comparable property prices.
The Census boundary meets Cass County, Grand Forks County, Steele County within North Dakota. A tract near one of these lines should be matched to the county identifier on its own records.

