QuickFacts

Population per square mile in Philadelphia city, Pennsylvania is

11,379.5

26.4%

of persons in Maricopa County, Arizona are under 18 years

10.3%

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

35.6%

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

The population of Pennsylvania is

12,784,227

14.1%

of persons in Ohio are 65 years and over

28.4%

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

Population per square mile in North Carolina is

196.1

Population per square mile in San Diego County, California is

735.8

12.1%

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

Source: 2010 Census

Source: American Community Survey

Source: Population Estimates

Source: 2010 Census

Source: American Community Survey

Source: 2010 Census