QuickFacts

The population of Maricopa County, Arizona is

4,167,947

The population of Los Angeles County, California is

10,170,292

The population of Cook County, Illinois is

5,238,216

30.4%

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

25.9%

of persons in Houston city, Texas are under 18 years

22.0%

of persons in Pennsylvania are under 18 years

The population of Illinois is

12,801,539

In Georgia

57.9%

of females 16 years+ are in the civilian labor force

Population per square mile in Los Angeles city, California is

8,092.3

Population per square mile in Chicago city, Illinois is

11,841.8

Source: Population Estimates

Source: American Community Survey

Source: 2010 Census

Source: Population Estimates

Source: American Community Survey

Source: 2010 Census