QuickFacts

22.5%

of persons in Philadelphia city, Pennsylvania are under 18 years

30.4%

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

Population per square mile in Cook County, Illinois is

5,495.1

28.8%

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

11.4%

of persons in San Diego County, California are 65 years and over

In North Carolina

57.7%

of females 16 years+ are in the civilian labor force

15.4%

of persons in Pennsylvania are 65 years and over

12.5%

of persons in Illinois are 65 years and over

Population per square mile in Michigan is

174.8

The population of California is

39,250,017

Source: 2010 Census

Source: American Community Survey

Source: 2010 Census

Source: American Community Survey

Source: 2010 Census

Source: American Community Survey

Source: 2010 Census

Source: Population Estimates