Altona, Colorado

Altona is an unincorporated community and a census-designated place (CDP) located in Boulder County, Colorado, United States. The population of the Altona CDP was 501 at the United States Census 2010.[4] Boulder County governs the unincorporated community. The Boulder post office (Zip Code 80302) serves the area.[3]

Altona, Colorado
Census Designated Place
Location of the Altona CDP in Boulder County, Colorado
Altona
Location of the Altona CDP in the United States.
Coordinates: 40°07′31″N 105°17′33″W[1]
Country United States
State Colorado
CountyBoulder County
Government
 • Typeunincorporated community
Area
 • Total1.743 sq mi (4.515 km2)
 • Land1.686 sq mi (4.366 km2)
 • Water0.058 sq mi (0.149 km2)
Elevation5,928 ft (1,807 m)
Population
 (2010)
 • Total501
 • Density297/sq mi (115/km2)
Time zoneUTC-7 (MST)
 • Summer (DST)UTC-6 (MDT)
ZIP Code[3]
Boulder 80302
Area codes303 & 720
GNIS feature[2]Altona CDP

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.[1]

Demographics

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

Altona CDP, Colorado
YearPop.±%
2010501—    
2020—    
Source: United States Census Bureau

See also

References
  1. "State of Colorado Census Designated Places - BAS20 - Data as of January 1, 2020". United States Census Bureau. Retrieved December 2, 2020.
  2. "U.S. Board on Geographic Names: Domestic Names". United States Geological Survey. Retrieved December 2, 2020.
  3. "Zip Code 80302 Map and Profile". zipdatamaps.com. 2020. Retrieved December 20, 2020.
  4. "2010: DEC Summary File 1". United States Census Bureau. Retrieved December 20, 2020.
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