Altona is an unincorporated community and a census-designated place (CDP) located in and governed by Boulder County, Colorado, United States. The CDP is a part of the Boulder, CO Metropolitan Statistical Area. The population of the Altona CDP was 512 at the United States Census 2020. The Boulder post office serves the area.

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Facts from Wikidata (CC0).

Altona

census-designated place in Boulder County, Colorado

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Not who you're looking for? Others named Altona: town in Manitoba, Canada · historic farm in West Virginia · borough of Hamburg, Germany · suburb of Melbourne, Australia

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