THE ALTONA LAND BRIEF
Land in the
Foothill Shrublands setting.
Altona CDP has 1.69 square miles of land in Boulder County. Its Census reference point is in Foothill Shrublands, within Southern Rockies.
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 ↗ · Classification at the Census reference point
Altona and Boulder County
Altona is associated with Boulder 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.
Altona by land and water
The Census records 0.06 square miles of water within Altona, or 3.3% of its total area. It is 1.4 percentage points higher than the 1.9% recorded for Boulder County. This is geographic context; waterfront status and usable land must be checked at the parcel.
For scale, Altona CDP has 31.9% of the land area of nearby Lazy Acres CDP (5.29 square miles). These areas describe boundaries, not comparable property prices.

