QuickFacts

Population per square mile in Cook County, Illinois is

5,495.1

The population of Illinois is

12,801,539

24.5%

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

25.4%

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

In Illinois

60.7%

of females 16 years+ are in the civilian labor force

Median household income of Philadelphia city, Pennsylvania is

$38,253

Median household income of Ohio is

$49,429

Median household income of Chicago city, Illinois is

$48,522

Median household income of San Diego County, California is

$64,309

In Los Angeles city, California

59.4%

of females 16 years+ are in the civilian labor force

Source: 2010 Census

Source: Population Estimates

Source: 2010 Census

Source: American Community Survey