QuickFacts

12.1%

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

15.4%

of persons in Pennsylvania are 65 years and over

Population per square mile in Texas is

96.3

30.4%

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

The population of San Diego County, California is

3,299,521

Median household income of Philadelphia city, Pennsylvania is

$38,253

24.5%

of persons in Los Angeles County, California are under 18 years

Population per square mile in Georgia is

168.4

Population per square mile in Cook County, Illinois is

5,495.1

The population of Pennsylvania is

12,784,227

Source: 2010 Census

Source: American Community Survey

Source: Population Estimates

Source: American Community Survey

Source: 2010 Census

Source: Population Estimates