QuickFacts

The population of Pennsylvania is

12,784,227

15.4%

of persons in Pennsylvania are 65 years and over

22.0%

of persons in Pennsylvania are under 18 years

26.4%

of persons in Maricopa County, Arizona are under 18 years

15.4%

of persons in Pennsylvania are 65 years and over

Median household income of Illinois is

$57,574

In New York city, New York

58.4%

of females 16 years+ are in the civilian labor force

The population of Cook County, Illinois is

5,238,216

In Michigan

57.1%

of females 16 years+ are in the civilian labor force

Population per square mile in Pennsylvania is

283.9

Source: Population Estimates

Source: 2010 Census

Source: American Community Survey

Source: Population Estimates

Source: American Community Survey

Source: 2010 Census