QuickFacts

11.9%

of persons in Cook County, Illinois are 65 years and over

10.3%

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

25.4%

of persons 25 years+ in Philadelphia city, Pennsylvania have a bachelor's degree or higher

The population of Illinois is

12,801,539

12.1%

of persons in Maricopa County, Arizona are 65 years and over

13.5%

of persons in New York are 65 years and over

23.7%

of persons in Michigan are under 18 years

24.4%

of persons in Illinois are under 18 years

Median household income of Illinois is

$57,574

31.4%

of persons 25 years+ in California have a bachelor's degree or higher

Source: 2010 Census

Source: American Community Survey

Source: Population Estimates

Source: 2010 Census

Source: American Community Survey