Alta, CA has a population of 448 and is the 20,237th largest city in the United States. The population density is 188 per sq mi which is 19% lower than the California average and 107% higher than the national average. The median age in Alta is 50 which is approximately 40% higher than the California average of 36. In Alta, 69% of the population over 15 years of age are married, 90% speak English and 0% speak Spanish. 64% of Alta residents were born in California, 29% were born out of state, 2% were born outside of the United States and 5% were foreign born.
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The population density in Alta is 19% lower than California.
The median age in Alta is 40% higher than California.
In Alta 93.97% of the population is White.
In Alta 0.00% of the population is Black or African American.