THE MADISON COUNTY LAND BRIEF
Land in the
Dry Gneissic-Schistose-Volcanic Hills setting.
Madison County has 3,588.2 square miles of land in Montana. 11 mapped landscape regions meet across Madison County: Dry Gneissic-Schistose-Volcanic Hills, Dry Intermontane Sagebrush Valleys, Barren Mountains, 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
Madison County intersects 11 mapped regional units. The largest mapped shares are:
- Dry Gneissic-Schistose-Volcanic Hills29.9%
- Dry Intermontane Sagebrush Valleys22.1%
- Barren Mountains9.2%
- Tobacco Root Mountains7.5%
- Eastern Gravelly Mountains7.1%
Finding your parcel within Madison County
The atlas lists 14 cities, towns, townships, and Census communities associated with Madison County, including Big Sky, McAllister, Alder. The list includes overlapping geography types and does not divide the county into exclusive service areas.
Madison County by land and water
The Census records 15.4 square miles of water within Madison County, or 0.4% of its total area. That share is close to Madison County’s 0.4%. This is geographic context; waterfront status and usable land must be checked at the parcel.
For scale, Madison County has 3,777 times the land area of nearby Virginia City town (0.95 square miles). These areas describe boundaries, not comparable property prices.
The Census boundary meets Beaverhead County, Gallatin County, Jefferson County, Silver Bow County within Montana. A tract near one of these lines should be matched to the county identifier on its own records.

