QuickFacts

23.7%

of persons in Ohio are under 18 years

Population per square mile in Cook County, Illinois is

5,495.1

22.3%

of persons in New York are under 18 years

23.7%

of persons in Ohio are under 18 years

23.1%

of persons in Chicago city, Illinois are under 18 years

Population per square mile in Pennsylvania is

283.9

The population of Cook County, Illinois is

5,238,216

The population of Philadelphia city, Pennsylvania is

1,567,442

Population per square mile in Georgia is

168.4

28.6%

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

Source: 2010 Census

Source: Population Estimates

Source: 2010 Census

Source: American Community Survey