QuickFacts

Population per square mile in Philadelphia city, Pennsylvania is

11,379.5

Median household income of Cook County, Illinois is

$55,251

Median household income of Pennsylvania is

$53,599

12.1%

of persons in New York city, New York are 65 years and over

30.4%

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

22.0%

of persons in Pennsylvania are under 18 years

Population per square mile in Florida is

350.6

Median household income of Maricopa County, Arizona is

$54,229

The population of Pennsylvania is

12,784,227

Population per square mile in California is

239.1

Source: 2010 Census

Source: American Community Survey

Source: 2010 Census

Source: American Community Survey

Source: 2010 Census

Source: American Community Survey

Source: Population Estimates

Source: 2010 Census