THE PITKIN COUNTY LAND BRIEF
Land in the
Sedimentary Subalpine Forests setting.
Pitkin County has 970.7 square miles of land in Colorado. 5 mapped landscape regions meet across Pitkin County: Sedimentary Subalpine Forests, Alpine Zone, Crystalline Subalpine Forests, among others.
Steep mountains rise through distinct vegetation bands, from lower grass and shrub country to conifers and alpine terrain. Elevation is a defining difference across Southern Rocky Mountain landscapes.
Regional context: Southern Rockies ↗ · Regional mapping across the county footprint
Where the landscape changes
Pitkin County intersects 5 mapped regional units. The largest mapped shares are:
- Sedimentary Subalpine Forests34.6%
- Alpine Zone25.2%
- Crystalline Subalpine Forests20%
- Foothill Shrublands11.7%
- Sedimentary Mid-Elevation Forests8.4%
Finding your parcel within Pitkin County
The atlas lists 6 cities, towns, townships, and Census communities associated with Pitkin County, including Snowmass Village, Aspen, Basalt. The list includes overlapping geography types and does not divide the county into exclusive service areas.
Pitkin County by land and water
The Census records 2.5 square miles of water within Pitkin County, or 0.3% of its total area. That share is close to Pitkin County’s 0.3%. This is geographic context; waterfront status and usable land must be checked at the parcel.
For scale, Pitkin County has 34.9 times the land area of nearby Snowmass Village town (27.8 square miles). These areas describe boundaries, not comparable property prices.
The Census boundary meets Chaffee County, Eagle County, Garfield County, Gunnison County, Lake County, Mesa County within Colorado. A tract near one of these lines should be matched to the county identifier on its own records.

