QuickFacts

Population per square mile in Philadelphia city, Pennsylvania is

11,379.5

Population per square mile in Philadelphia city, Pennsylvania is

11,379.5

The population of San Diego County, California is

3,299,521

The population of Pennsylvania is

12,784,227

12.1%

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

13.8%

of persons in Michigan are 65 years and over

Median household income of Cook County, Illinois is

$55,251

11.9%

of persons in Cook County, Illinois are 65 years and over

13.8%

of persons in Michigan are 65 years and over

35.6%

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

Source: 2010 Census

Source: Population Estimates

Source: 2010 Census

Source: American Community Survey

Source: 2010 Census

Source: American Community Survey