THE MCHENRY COUNTY LAND BRIEF
Land in the
Glacial Lake Deltas setting.
McHenry County has 1,873.9 square miles of land in North Dakota. 5 mapped landscape regions meet across McHenry County: Glacial Lake Deltas, Drift Plains, Glacial Lake Basins, among others.
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.
Regional context: Northern Glaciated Plains ↗ · Regional mapping across the county footprint
Where the landscape changes
McHenry County intersects 5 mapped regional units. The largest mapped shares are:
- Glacial Lake Deltas45.6%
- Drift Plains28.5%
- Glacial Lake Basins14.4%
- Northern Black Prairie10.7%
- Missouri Coteau0.8%
Northwestern Glaciated Plains in McHenry County
Glaciated plains bridge the wetter eastern prairie and the drier, more broken Great Plains. Numerous prairie potholes and other seasonal or persistent wetlands are characteristic regional landforms.
Read the regional source ↗Finding your parcel within McHenry County
The atlas lists 58 cities, towns, townships, and Census communities associated with McHenry County, including Little Deep, Willow Creek, Denbigh. The list includes overlapping geography types and does not divide the county into exclusive service areas.
McHenry County by land and water
The Census records 37.6 square miles of water within McHenry County, or 2% of its total area. That share is close to McHenry County’s 2%. This is geographic context; waterfront status and usable land must be checked at the parcel.
For scale, McHenry County has 52.3 times the land area of nearby Rose Hill township (35.8 square miles). These areas describe boundaries, not comparable property prices.
The Census boundary meets Bottineau County, McLean County, Pierce County, Renville County, Sheridan County, Ward County within North Dakota. A tract near one of these lines should be matched to the county identifier on its own records.

