QuickFacts

Population per square mile in Chicago city, Illinois is

11,841.8

17.3%

of persons in Florida are 65 years and over

Population per square mile in San Diego County, California is

735.8

The population of Cook County, Illinois is

5,246,456

25.7%

of persons in Georgia are under 18 years

21.3%

of persons in Florida are under 18 years

Population per square mile in New York city, New York is

27,012.5

The population of Illinois is

12,859,995

In Cook County, Illinois

61.2%

of females 16 years+ are in the civilian labor force

Median household income of Cook County, Illinois is

$54,828

Source: 2010 Census

Source: Population Estimates

Source: 2010 Census

Source: Population Estimates

Source: American Community Survey