QuickFacts

The population of Cook County, Illinois is

5,246,456

Population per square mile in Los Angeles County, California is

2,419.6

The population of Chicago city, Illinois is

2,722,389

23.7%

of persons in Ohio are under 18 years

The population of Illinois is

12,859,995

The population of North Carolina is

10,042,802

Population per square mile in California is

239.1

Population per square mile in Cook County, Illinois is

5,495.1

10.7%

of persons in Georgia are 65 years and over

35.1%

of persons 25 years+ in San Diego County, California have a bachelor's degree or higher

Source: Population Estimates

Source: 2010 Census

Source: Population Estimates

Source: 2010 Census

Source: Population Estimates

Source: 2010 Census

Source: American Community Survey