QuickFacts

Population per square mile in Illinois is

231.1

12.9%

of persons in North Carolina are 65 years and over

The population of Maricopa County, Arizona is

4,167,947

28.8%

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

24.5%

of persons in Los Angeles County, California are under 18 years

23.7%

of persons in Ohio are under 18 years

12.1%

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

The population of Chicago city, Illinois is

2,720,546

Median household income of Cook County, Illinois is

$55,251

Median household income of Pennsylvania is

$53,599

Source: 2010 Census

Source: Population Estimates

Source: American Community Survey

Source: 2010 Census

Source: Population Estimates

Source: American Community Survey