QuickFacts

Population per square mile in Pennsylvania is

283.9

Median household income of Cook County, Illinois is

$55,251

The population of San Diego County, California is

3,299,521

Median household income of Pennsylvania is

$53,599

23.4%

of persons in San Diego County, California are under 18 years

The population of Philadelphia city, Pennsylvania is

1,567,442

30.4%

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

12.1%

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

10.7%

of persons in Georgia are 65 years and over

26.9%

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

Source: 2010 Census

Source: American Community Survey

Source: Population Estimates

Source: American Community Survey

Source: 2010 Census

Source: Population Estimates

Source: American Community Survey

Source: 2010 Census

Source: American Community Survey