QuickFacts

Population per square mile in Pennsylvania is

283.9

Population per square mile in Chicago city, Illinois is

11,841.8

The population of San Diego County, California is

3,263,431

15.4%

of persons in Pennsylvania are 65 years and over

In Cook County, Illinois

61.2%

of females 16 years+ are in the civilian labor force

10.3%

of persons in Texas are 65 years and over

23.1%

of persons in Chicago city, Illinois are under 18 years

13.8%

of persons in Michigan are 65 years and over

The population of Ohio is

11,613,423

The population of Chicago city, Illinois is

2,722,389

Source: 2010 Census

Source: Population Estimates

Source: 2010 Census

Source: American Community Survey

Source: 2010 Census

Source: Population Estimates