QuickFacts

The population of Illinois is

12,801,539

Population per square mile in Cook County, Illinois is

5,495.1

Population per square mile in Illinois is

231.1

26.4%

of persons in Maricopa County, Arizona are under 18 years

28.8%

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

Median household income of Ohio is

$49,429

28.4%

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

Median household income of Pennsylvania is

$53,599

35.7%

of persons 25 years+ in New York city, New York have a bachelor's degree or higher

Population per square mile in Ohio is

282.3

Source: Population Estimates

Source: 2010 Census

Source: American Community Survey

Source: 2010 Census