QuickFacts

15.4%

of persons in Pennsylvania are 65 years and over

22.5%

of persons in Philadelphia city, Pennsylvania are under 18 years

11.9%

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

23.7%

of persons in Michigan are under 18 years

Population per square mile in Ohio is

282.3

The population of Harris County, Texas is

4,538,028

In Chicago city, Illinois

61.9%

of females 16 years+ are in the civilian labor force

25.4%

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

Population per square mile in Cook County, Illinois is

5,495.1

The population of Ohio is

11,614,373

Source: 2010 Census

Source: Population Estimates

Source: American Community Survey

Source: 2010 Census

Source: Population Estimates