QuickFacts

23.7%

of persons in Cook County, Illinois are under 18 years

30.4%

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

Median household income of Cook County, Illinois is

$55,251

22.0%

of persons in Pennsylvania are under 18 years

Median household income of San Diego County, California is

$64,309

The population of Cook County, Illinois is

5,238,216

In Michigan

57.1%

of females 16 years+ are in the civilian labor force

Population per square mile in Ohio is

282.3

12.1%

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

23.9%

of persons in North Carolina are under 18 years

Source: 2010 Census

Source: American Community Survey

Source: 2010 Census

Source: American Community Survey

Source: Population Estimates

Source: American Community Survey

Source: 2010 Census