QuickFacts

23.7%

of persons in Cook County, Illinois are under 18 years

Population per square mile in Ohio is

282.3

In Ohio

59.0%

of females 16 years+ are in the civilian labor force

35.6%

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

35.7%

of persons 25 years+ in San Diego County, California have a bachelor's degree or higher

28.0%

of persons in Harris County, Texas are under 18 years

Population per square mile in Texas is

96.3

Population per square mile in Maricopa County, Arizona is

414.9

23.1%

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

The population of Illinois is

12,801,539

Source: 2010 Census

Source: American Community Survey

Source: 2010 Census

Source: Population Estimates