QuickFacts

The population of Illinois is

12,801,539

Population per square mile in California is

239.1

30.4%

of persons 25 years+ in Maricopa County, Arizona have a bachelor's degree or higher

24.5%

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

Median household income of Illinois is

$57,574

Population per square mile in Georgia is

168.4

Population per square mile in California is

239.1

22.5%

of persons in Philadelphia city, Pennsylvania are under 18 years

Median household income of Chicago city, Illinois is

$48,522

Population per square mile in Los Angeles County, California is

2,419.6

Source: Population Estimates

Source: 2010 Census

Source: American Community Survey

Source: 2010 Census

Source: American Community Survey

Source: 2010 Census

Source: American Community Survey

Source: 2010 Census