Altona, Colorado


Altona is a census-designated place in Boulder County, Colorado, United States. As of the 2010 census it had a population of 501.

Geography

Altona is located in central Boulder County at , where Left Hand Creek exits the Front Range of the Colorado Rockies. U.S. Highway 36 passes through the community, leading north to Lyons and south to Boulder. Altona is west of Longmont by Nelson Road.
According to the U.S. Census Bureau, the Altona CDP has a total area of, of which is land and, or 3.31%, is water.

Demographics