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Altona, Colorado

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A census-designated place in Boulder County, Colorado, United States Census Designated Place in State of Colorado, United States of America
Altona, Colorado
Census Designated Place
Location of the Altona CDP in Boulder County, ColoradoLocation of the Altona CDP in Boulder County, Colorado
Altona is located in the United StatesAltonaAltonaLocation of Altona, Colorado.Show map of the United StatesAltona is located in ColoradoAltonaAltonaAltona (Colorado)Show map of Colorado
Coordinates: 40°08′02″N 105°16′58″W / 40.1339°N 105.2828°W / 40.1339; -105.2828
CountryUnited States of America
StateState of Colorado
CountyBoulder County
Government
 • Typeunincorporated community
 • BodyBoulder County
Area
 • Total1.743 sq mi (4.515 km)
 • Land1.686 sq mi (4.366 km)
 • Water0.058 sq mi (0.149 km)
Elevation5,601 ft (1,707 m)
Population
 • Total512
 • Density290/sq mi (110/km)
Time zoneUTC−07:00 (MST)
 • Summer (DST)UTC−06:00 (MDT)
ZIP CodeBoulder 80302
Area codes303 & 720
GNIS pop ID178293
GNIS town ID2583208
FIPS code08-01740

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 (Zip Code 80302) serves the area.

History

The Altona, Colorado, post office operated from October 2, 1879, until July 15, 1916.

Geography

Altona is located in central Boulder County 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 10 miles (16 km) west of Longmont by Nelson Road.

The Altona CDP has an area of 1,116 acres (4.515 km) including 37 acres (0.149 km) of water.

Demographics

The United States Census Bureau initially defined the Altona CDP for the United States Census 2010.

Altona CDP, Colorado
YearPop.±%
2010501—    
2020512+2.2%
Source: United States Census Bureau

See also

References

  1. ^ "Colorado Counties". Colorado Department of Local Affairs. Retrieved January 12, 2025.
  2. ^ "Altona, Colorado". Geographic Names Information System. United States Geological Survey, United States Department of the Interior. Retrieved December 29, 2024.
  3. ^ "State of Colorado Census Designated Places - BAS20 - Data as of January 1, 2020". United States Census Bureau. Retrieved December 2, 2020.
  4. ^ United States Census Bureau. "Altona CDP, Colorado". Retrieved April 18, 2023.
  5. ^ "Zip Code 80302 Map and Profile". zipdatamaps.com. 2020. Retrieved December 20, 2020.
  6. Bauer, William H.; Ozment, James L.; Willard, John H. (1990). Colorado Post Offices 1859–1989. Golden, Colorado: Colorado Railroad Historical Foundation. ISBN 0-918654-42-4.

External links

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County seat: Boulder
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