QuickFacts

Population per square mile in Chicago city, Illinois is

11,841.8

The population of Pennsylvania is

12,784,227

35.8%

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

The population of Ohio is

11,614,373

24.5%

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

35.6%

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

12.9%

of persons in North Carolina are 65 years and over

Population per square mile in Maricopa County, Arizona is

414.9

Population per square mile in Philadelphia city, Pennsylvania is

11,379.5

12.1%

of persons in Maricopa County, Arizona are 65 years and over

Source: 2010 Census

Source: Population Estimates

Source: American Community Survey

Source: Population Estimates

Source: 2010 Census

Source: American Community Survey

Source: 2010 Census