QuickFacts

Population per square mile in Cook County, Illinois is

5,495.1

26.1%

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

The population of Illinois is

12,801,539

Population per square mile in Los Angeles County, California is

2,419.6

23.7%

of persons in Cook County, Illinois are under 18 years

11.4%

of persons in California are 65 years and over

The population of Pennsylvania is

12,784,227

Population per square mile in Harris County, Texas is

2,402.4

35.6%

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

In Harris County, Texas

59.8%

of females 16 years+ are in the civilian labor force

Source: 2010 Census

Source: American Community Survey

Source: Population Estimates

Source: 2010 Census

Source: Population Estimates

Source: 2010 Census

Source: American Community Survey