THE HILL COUNTY LAND BRIEF
Land in the
North Central Brown Glaciated Plains setting.
Hill County has 2,899.4 square miles of land in Montana. 4 mapped landscape regions meet across Hill County: North Central Brown Glaciated Plains, Glaciated Northern Grasslands, Scattered Eastern Igneous-Core Mountains, 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
Hill County intersects 4 mapped regional units. The largest mapped shares are:
- North Central Brown Glaciated Plains74.7%
- Glaciated Northern Grasslands18.2%
- Scattered Eastern Igneous-Core Mountains3.6%
- Foothill Grassland3.4%
Middle Rockies in Hill 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 Hill County
The atlas lists 22 cities, towns, townships, and Census communities associated with Hill County, including Rocky Boy's Agency, St. Pierre, Parker School. The list includes overlapping geography types and does not divide the county into exclusive service areas.
Hill County by land and water
The Census records 17.1 square miles of water within Hill County, or 0.6% of its total area. That share is close to Hill County’s 0.6%. This is geographic context; waterfront status and usable land must be checked at the parcel.
For scale, Hill County has 6,515.5 times the land area of nearby Kremlin CDP (0.45 square miles). These areas describe boundaries, not comparable property prices.
The Census boundary meets Blaine County, Chouteau County, Liberty County within Montana. A tract near one of these lines should be matched to the county identifier on its own records.

