QuickFacts

Population per square mile in Cook County, Illinois is

5,495.1

23.7%

of persons in Cook County, Illinois are under 18 years

32.3%

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

23.1%

of persons in Los Angeles city, California are under 18 years

25.4%

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

35.8%

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

The population of Cook County, Illinois is

5,238,216

22.0%

of persons in Pennsylvania are under 18 years

In Ohio

59.0%

of females 16 years+ are in the civilian labor force

28.6%

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

Source: 2010 Census

Source: American Community Survey

Source: 2010 Census

Source: American Community Survey

Source: Population Estimates

Source: 2010 Census

Source: American Community Survey