QuickFacts

23.7%

of persons in Cook County, Illinois are under 18 years

28.6%

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

Population per square mile in California is

239.1

In Michigan

57.1%

of females 16 years+ are in the civilian labor force

Population per square mile in Philadelphia city, Pennsylvania is

11,379.5

In Florida

54.7%

of females 16 years+ are in the civilian labor force

The population of Illinois is

12,801,539

35.7%

of persons 25 years+ in San Diego County, California have a bachelor's degree or higher

22.3%

of persons in New York are under 18 years

34.2%

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

Source: 2010 Census