THE BASIN LAND BRIEF
Land in the
Elkhorn Mountains-Boulder Batholith setting.
Basin CDP has 12.7 square miles of land in Jefferson County. Its Census reference point is in Elkhorn Mountains-Boulder Batholith, within Middle Rockies.
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 ↗ · Classification at the Census reference point
Basin and Jefferson County
Basin is associated with Jefferson County in the Census boundary data. Start with the parcel’s tax bill to match the property to that jurisdiction, then confirm which government handles its land use.
Basin by land and water
The Census records 0 square miles of water within Basin, or 0% of its total area. It is 0.1 percentage points lower than the 0.1% recorded for Jefferson County. This is geographic context; waterfront status and usable land must be checked at the parcel.
For scale, Basin CDP has 11.3 times the land area of nearby Boulder city (1.12 square miles). These areas describe boundaries, not comparable property prices.

