QuickFacts

The population of Pennsylvania is

12,784,227

The population of Illinois is

12,801,539

12.1%

of persons in Maricopa County, Arizona are 65 years and over

10.5%

of persons in Los Angeles city, California are 65 years and over

35.6%

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

22.0%

of persons in Pennsylvania are under 18 years

9.0%

of persons in Houston city, Texas are 65 years and over

30.4%

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

Population per square mile in Philadelphia city, Pennsylvania is

11,379.5

Median household income of Illinois is

$57,574

Source: Population Estimates

Source: 2010 Census

Source: American Community Survey

Source: 2010 Census

Source: American Community Survey

Source: 2010 Census

Source: American Community Survey