QuickFacts

11.9%

of persons in Cook County, Illinois are 65 years and over

Population per square mile in Cook County, Illinois is

5,495.1

In Maricopa County, Arizona

57.3%

of females 16 years+ are in the civilian labor force

Population per square mile in Florida is

350.6

21.3%

of persons in Florida are under 18 years

Median household income of Los Angeles County, California is

$56,196

Population per square mile in Los Angeles County, California is

2,419.6

The population of Illinois is

12,801,539

25.7%

of persons in Georgia are under 18 years

15.4%

of persons in Pennsylvania are 65 years and over

Source: 2010 Census

Source: American Community Survey

Source: 2010 Census

Source: American Community Survey

Source: 2010 Census

Source: Population Estimates

Source: 2010 Census