QuickFacts

The population of Illinois is

12,801,539

27.3%

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

35.8%

of persons 25 years+ in Cook County, Illinois have a bachelor's degree or higher

12.5%

of persons in Illinois are 65 years and over

24.4%

of persons in Illinois are under 18 years

The population of Illinois is

12,801,539

17.3%

of persons in Florida are 65 years and over

22.0%

of persons in Pennsylvania are under 18 years

32.0%

of persons 25 years+ in Los Angeles city, California have a bachelor's degree or higher

The population of Cook County, Illinois is

5,238,216

Source: Population Estimates

Source: American Community Survey

Source: 2010 Census

Source: Population Estimates

Source: 2010 Census

Source: American Community Survey

Source: Population Estimates