QuickFacts

22.5%

of persons in Philadelphia city, Pennsylvania are under 18 years

The population of California is

39,144,818

The population of New York city, New York is

8,491,079

27.8%

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

12.1%

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

Population per square mile in San Diego County, California is

735.8

Population per square mile in Maricopa County, Arizona is

414.9

10.3%

of persons in Chicago city, Illinois are 65 years and over

28.1%

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

30.0%

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

Source: 2010 Census

Source: Population Estimates

Source: American Community Survey

Source: 2010 Census

Source: American Community Survey