QuickFacts

The population of Cook County, Illinois is

5,238,216

23.7%

of persons in Cook County, Illinois are under 18 years

35.6%

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

Population per square mile in California is

239.1

10.3%

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

28.8%

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

21.6%

of persons in New York city, New York are under 18 years

Population per square mile in Chicago city, Illinois is

11,841.8

8.1%

of persons in Harris County, Texas are 65 years and over

25.0%

of persons in California are under 18 years

Source: Population Estimates

Source: 2010 Census

Source: American Community Survey

Source: 2010 Census

Source: American Community Survey

Source: 2010 Census