THE DEER LODGE COUNTY LAND BRIEF
Land in the
Pioneer-Anaconda Ranges setting.
Deer Lodge County has 736.7 square miles of land in Montana. 8 mapped landscape regions meet across Deer Lodge County: Pioneer-Anaconda Ranges, Flint Creek-Anaconda Mountains, Deer Lodge-Philipsburg-Avon Grassy Intermontane Hills and Valleys, among others.
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.
Regional context: Middle Rockies ↗ · Regional mapping across the county footprint
Where the landscape changes
Deer Lodge County intersects 8 mapped regional units. The largest mapped shares are:
- Pioneer-Anaconda Ranges24.5%
- Flint Creek-Anaconda Mountains23.2%
- Deer Lodge-Philipsburg-Avon Grassy Intermontane Hills and Valleys22.6%
- Big Hole13.8%
- Alpine Zone6%
Idaho Batholith in Deer Lodge County
A deeply cut mountainous plateau forms the Idaho Batholith. Granitic terrain supports conifer forests, while deep canyons introduce warmer settings with pine, shrubs and grasses.
Read the regional source ↗Finding your parcel within Deer Lodge County
The atlas lists 1 cities, towns, townships, and Census communities associated with Deer Lodge County, including Anaconda-Deer Lodge County. The list includes overlapping geography types and does not divide the county into exclusive service areas.
Deer Lodge County by land and water
The Census records 4.71 square miles of water within Deer Lodge County, or 0.6% of its total area. That share is close to Deer Lodge County’s 0.6%. This is geographic context; waterfront status and usable land must be checked at the parcel.
The Census boundary meets Beaverhead County, Granite County, Jefferson County, Powell County, Ravalli County, Silver Bow County within Montana. A tract near one of these lines should be matched to the county identifier on its own records.

