QuickFacts

Population per square mile in Cook County, Illinois is

5,495.1

The population of Cook County, Illinois is

5,238,216

28.0%

of persons in Harris County, Texas 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 San Diego County, California is

$64,309

Median household income of Illinois is

$57,574

Population per square mile in Los Angeles County, California is

2,419.6

The population of Cook County, Illinois is

5,238,216

26.9%

of persons 25 years+ in Michigan have a bachelor's degree or higher

Median household income of North Carolina is

$46,868

Source: 2010 Census

Source: Population Estimates

Source: 2010 Census

Source: American Community Survey

Source: 2010 Census

Source: Population Estimates

Source: American Community Survey