Altona, Colorado

Last updated
Altona, Colorado
census-designated place
Boulder County Colorado Incorporated and Unincorporated areas Altona Highlighted 0801740.svg
Location of the Altona CDP in Boulder County, Colorado
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Altona
Location of Altona, Colorado.
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Altona
Altona (Colorado)
Coordinates: 40°08′02″N105°16′58″W / 40.1339°N 105.2828°W / 40.1339; -105.2828 [1]
Country United States
State Colorado
County Boulder [2]
Government
 • Type unincorporated community
 • Body Boulder County [2]
Area
[3]
 • Total
1.743 sq mi (4.515 km2)
 • Land1.686 sq mi (4.366 km2)
 • Water0.058 sq mi (0.149 km2)
Elevation
[1]
5,601 ft (1,707 m)
Population
 (2020) [4]
 • Total
512
 • Density290/sq mi (110/km2)
Time zone UTC−07:00 (MST)
 • Summer (DST) UTC−06:00 (MDT)
ZIP Code [5]
Boulder 80302
Area codes 303 & 720
GNIS pop ID 178293
GNIS town ID 2583208
FIPS code 08-01740

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. [4] The Boulder post office (Zip Code 80302) serves the area. [5]

Contents

History

The Altona, Colorado, post office operated from October 2, 1879, until July 15, 1916. [6]

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 km2) including 37 acres (0.149 km2) of water. [3]

Demographics

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

Altona CDP, Colorado
YearPop.±%
2010 501—    
2020 512+2.2%
Source: United States Census Bureau

See also

References

  1. 1 2 "Altona, Colorado". Geographic Names Information System . United States Geological Survey, United States Department of the Interior . Retrieved December 29, 2024.
  2. 1 2 "Colorado Counties". Colorado Department of Local Affairs . Retrieved January 12, 2025.
  3. 1 2 "State of Colorado Census Designated Places - BAS20 - Data as of January 1, 2020". United States Census Bureau . Retrieved December 2, 2020.
  4. 1 2 United States Census Bureau. "Altona CDP, Colorado" . Retrieved April 18, 2023.
  5. 1 2 "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.
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