THE TOOLE COUNTY LAND BRIEF
Land in the
North Central Brown Glaciated Plains setting.
Toole County has 1,914.9 square miles of land in Montana. 5 mapped landscape regions meet across Toole County: North Central Brown Glaciated Plains, Milk River Pothole Upland, Sweetgrass Uplands, among others.
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.
Regional context: Northwestern Glaciated Plains ↗ · Regional mapping across the county footprint
Where the landscape changes
Toole County intersects 5 mapped regional units. The largest mapped shares are:
- North Central Brown Glaciated Plains84.7%
- Milk River Pothole Upland6.8%
- Sweetgrass Uplands5.8%
- Foothill Grassland2.4%
- Scattered Eastern Igneous-Core Mountains0.4%
Middle Rockies in Toole County
Forested mountain ranges rise above grassy or shrubby intermountain valleys. The Middle Rockies combine alpine high country, partly wooded foothills and valleys supplied by mountain streams.
Read the regional source ↗Finding your parcel within Toole County
The atlas lists 7 cities, towns, townships, and Census communities associated with Toole County, including Shelby, Sunburst, Sweet Grass. The list includes overlapping geography types and does not divide the county into exclusive service areas.
Toole County by land and water
The Census records 30.1 square miles of water within Toole County, or 1.5% of its total area. That share is close to Toole County’s 1.5%. This is geographic context; waterfront status and usable land must be checked at the parcel.
For scale, Toole County has 331.2 times the land area of nearby Shelby city (5.78 square miles). These areas describe boundaries, not comparable property prices.
The Census boundary meets Glacier County, Liberty County, Pondera County within Montana. A tract near one of these lines should be matched to the county identifier on its own records.

