THE THIEF LAKE LAND BRIEF
Land in the
Lake Agassiz Plains setting.
Thief Lake township has 28.1 square miles of land in Marshall 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
Thief Lake and Marshall County
Thief Lake is associated with Marshall 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.
Thief Lake by land and water
The Census records 8.39 square miles of water within Thief Lake, or 23% of its total area. It is 20.9 percentage points higher than the 2.1% recorded for Marshall County. This is geographic context; waterfront status and usable land must be checked at the parcel.
For scale, Thief Lake township has 82.8% of the land area of nearby Moose River township (33.9 square miles). These areas describe boundaries, not comparable property prices.

