QuickFacts

22.0%

of persons in Pennsylvania are under 18 years

12.1%

of persons in Philadelphia city, Pennsylvania are 65 years and over

Median household income of Illinois is

$57,574

Population per square mile in Maricopa County, Arizona is

414.9

The population of Chicago city, Illinois is

2,720,546

Population per square mile in Illinois is

231.1

23.1%

of persons in Chicago city, Illinois are under 18 years

22.3%

of persons in New York are under 18 years

31.4%

of persons 25 years+ in California have a bachelor's degree or higher

The population of Philadelphia city, Pennsylvania is

1,567,442

Source: 2010 Census

Source: American Community Survey

Source: 2010 Census

Source: Population Estimates

Source: 2010 Census

Source: American Community Survey

Source: Population Estimates