Altona, IL has a population of 535 and is the 19,153rd largest city in the United States. The population density is 570 per sq mi which is 156% higher than the Illinois average and 529% higher than the national average. The median age in Altona is 33 which is approximately 12% lower than the Illinois average of 37. In Altona, 67% of the population over 15 years of age are married, 96% speak English and 0% speak Spanish. 83% of Altona residents were born in Illinois, 15% were born out of state, 1% were born outside of the United States and 1% were foreign born.
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The population density in Altona is 156% higher than Illinois.
The median age in Altona is 12% lower than Illinois.
In Altona 97.38% of the population is White.
In Altona 0.00% of the population is Black or African American.