kids encyclopedia robot

Altona, Colorado facts for kids

Kids Encyclopedia Facts
Quick facts for kids
Altona, Colorado
Location of the Altona CDP in Boulder County, Colorado
Location of the Altona CDP in Boulder County, Colorado
Lua error in package.lua at line 80: module 'strict' not found.
Country  United States
State  Colorado
County Boulder County
 • Type unincorporated community
 • Total 1.743 sq mi (4.515 km2)
 • Land 1.686 sq mi (4.366 km2)
 • Water 0.058 sq mi (0.149 km2)
5,928 ft (1,807 m)
 • Total 501
 • Density 297/sq mi (115/km2)
Time zone UTC-7 (MST)
 • Summer (DST) UTC-6 (MDT)
ZIP Code
Boulder 80302
Area codes 303 & 720
GNIS feature Altona CDP

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 501 at the United States Census 2010. The Boulder post office (Zip Code 80302) serves the area.


Altona is located in central Boulder County at 40°7′21″N 105°17′46″W / 40.12250°N 105.29611°W / 40.12250; -105.29611 (40.1225330, -105.2960570), 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.

According to the U.S. Census Bureau, the Altona CDP has a total area of 1.7 square miles (4.5 km2), of which 1.7 square miles (4.4 km2) is land and 0.039 square miles (0.1 km2), or 3.31%, is water.


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

Altona CDP, Colorado
Year Pop. ±%
2010 501 —    
2020 —    
Source: United States Census Bureau
Women's History Month on Kiddle
Women Scientists of Antiquity
Mary the Jewess
kids search engine
Altona, Colorado Facts for Kids. Kiddle Encyclopedia.