QuickFacts

Median household income of Illinois is

$57,166

Population per square mile in California is

239.1

Median household income of New York city, New York is

$52,737

The population of Illinois is

12,859,995

The population of Cook County, Illinois is

5,246,456

Median household income of North Carolina is

$46,693

The population of California is

39,144,818

23.7%

of persons in Cook County, Illinois are under 18 years

The population of Philadelphia city, Pennsylvania is

1,560,297

11.4%

of persons in California are 65 years and over

Source: American Community Survey

Source: 2010 Census

Source: American Community Survey

Source: Population Estimates

Source: American Community Survey

Source: Population Estimates

Source: 2010 Census

Source: Population Estimates

Source: 2010 Census