QuickFacts

The population of Illinois is

12,801,539

In Cook County, Illinois

61.0%

of females 16 years+ are in the civilian labor force

24.4%

of persons in Illinois are under 18 years

23.4%

of persons in San Diego County, California are under 18 years

The population of Maricopa County, Arizona is

4,167,947

Population per square mile in Pennsylvania is

283.9

23.1%

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

In Maricopa County, Arizona

57.3%

of females 16 years+ are in the civilian labor force

Population per square mile in Houston city, Texas is

3,501.5

Population per square mile in Georgia is

168.4

Source: Population Estimates

Source: American Community Survey

Source: 2010 Census

Source: Population Estimates

Source: 2010 Census

Source: American Community Survey

Source: 2010 Census