QuickFacts

The population of Maricopa County, Arizona is

4,167,947

The population of Chicago city, Illinois is

2,720,546

Population per square mile in Chicago city, Illinois is

11,841.8

23.7%

of persons in Michigan are under 18 years

The population of Pennsylvania is

12,784,227

12.1%

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

In California

57.2%

of females 16 years+ are in the civilian labor force

In Harris County, Texas

59.8%

of females 16 years+ are in the civilian labor force

The population of California is

39,250,017

Population per square mile in North Carolina is

196.1

Source: Population Estimates

Source: 2010 Census

Source: Population Estimates

Source: 2010 Census

Source: American Community Survey

Source: Population Estimates

Source: 2010 Census