THE DOUGLAS COUNTY LAND BRIEF
Land in the
Pine-Oak Woodlands setting.
Douglas County has 840.9 square miles of land in Colorado. 7 mapped landscape regions meet across Douglas County: Pine-Oak Woodlands, Crystalline Mid-Elevation Forests, Foothill Grasslands, among others.
Canyons, mesas, badlands and river breaks border the High Plains. This more dissected country includes grassland and shrub-covered slopes, with sharper terrain changes than the neighboring plains.
Regional context: Southwestern Tablelands ↗ · Regional mapping across the county footprint
Where the landscape changes
Douglas County intersects 7 mapped regional units. The largest mapped shares are:
- Pine-Oak Woodlands37.6%
- Crystalline Mid-Elevation Forests30%
- Foothill Grasslands17.1%
- Moderate Relief Plains6.8%
- Foothill Shrublands4.5%
Southern Rockies in Douglas County
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.
Read the regional source ↗High Plains in Douglas County
Broad, comparatively smooth plains distinguish the High Plains from neighboring broken terrain. The natural grassland setting is drier and higher than the Central Great Plains to the east.
Read the regional source ↗Finding your parcel within Douglas County
The atlas lists 24 cities, towns, townships, and Census communities associated with Douglas County, including Aurora, Castle Rock, Highlands Ranch. The list includes overlapping geography types and does not divide the county into exclusive service areas.
Douglas County by land and water
The Census records 2.62 square miles of water within Douglas County, or 0.3% of its total area. That share is close to Douglas County’s 0.3%. This is geographic context; waterfront status and usable land must be checked at the parcel.
For scale, Douglas County has 98.3 times the land area of nearby Perry Park CDP (8.55 square miles). These areas describe boundaries, not comparable property prices.
The Census boundary meets Arapahoe County, El Paso County, Elbert County, Jefferson County, Teller County within Colorado. A tract near one of these lines should be matched to the county identifier on its own records.

