Altona, CO has a population of 386 and is the 21,078th largest city in the United States. The population density is 229 per sq mi which is 360% higher than the Colorado average and 153% higher than the national average. The median age in Altona is 57 which is approximately 56% higher than the Colorado average of 36. In Altona, 76% of the population over 15 years of age are married, 88% speak English and 0% speak Spanish. 14% of Altona residents were born in Colorado, 78% were born out of state, 0% were born outside of the United States and 9% were foreign born.
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The population density in Altona is 360% higher than Colorado.
The median age in Altona is 56% higher than Colorado.
In Altona 100.00% of the population is White.
In Altona 0.00% of the population is Black or African American.