QuickFacts

22.0%

of persons in Pennsylvania are under 18 years

23.7%

of persons in Michigan are under 18 years

10.3%

of persons in Chicago city, Illinois are 65 years and over

13.8%

of persons in Michigan are 65 years and over

The population of Cook County, Illinois is

5,238,216

10.7%

of persons in Georgia are 65 years and over

13.5%

of persons in New York are 65 years and over

The population of Florida is

20,612,439

The population of Cook County, Illinois is

5,238,216

The population of Los Angeles city, California is

3,971,883

Source: 2010 Census

Source: Population Estimates

Source: 2010 Census

Source: Population Estimates