QuickFacts

Population per square mile in Cook County, Illinois is

5,495.1

Population per square mile in Houston city, Texas is

3,501.5

12.5%

of persons in Illinois are 65 years and over

22.5%

of persons in Philadelphia city, Pennsylvania are under 18 years

28.6%

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

24.5%

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

The population of Pennsylvania is

12,784,227

22.3%

of persons in New York are under 18 years

In Maricopa County, Arizona

57.3%

of females 16 years+ are in the civilian labor force

28.6%

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

Source: 2010 Census

Source: American Community Survey

Source: 2010 Census

Source: Population Estimates

Source: 2010 Census

Source: American Community Survey