QuickFacts

30.4%

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

11.9%

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

In Illinois

60.7%

of females 16 years+ are in the civilian labor force

11.4%

of persons in California are 65 years and over

The population of Pennsylvania is

12,784,227

Population per square mile in Los Angeles city, California is

8,092.3

22.5%

of persons in Philadelphia city, Pennsylvania are under 18 years

Population per square mile in Maricopa County, Arizona is

414.9

12.1%

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

24.5%

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

Source: American Community Survey

Source: 2010 Census

Source: American Community Survey

Source: 2010 Census

Source: Population Estimates

Source: 2010 Census