QuickFacts

Population per square mile in Illinois is

231.1

The population of Pennsylvania is

12,802,503

Population per square mile in Chicago city, Illinois is

11,841.8

12.1%

of persons in Philadelphia city, Pennsylvania are 65 years and over

35.3%

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

26.4%

of persons in Maricopa County, Arizona are under 18 years

29.0%

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

In Harris County, Texas

59.8%

of females 16 years+ are in the civilian labor force

8.1%

of persons in Harris County, Texas are 65 years and over

27.3%

of persons in Texas are under 18 years

Source: 2010 Census

Source: Population Estimates

Source: 2010 Census

Source: American Community Survey

Source: 2010 Census

Source: American Community Survey

Source: 2010 Census