QuickFacts

Population per square mile in Cook County, Illinois is

5,495.1

21.3%

of persons in Florida are under 18 years

Population per square mile in Chicago city, Illinois is

11,841.8

12.5%

of persons in Illinois are 65 years and over

10.9%

of persons in Los Angeles County, California are 65 years and over

12.9%

of persons in North Carolina are 65 years and over

24.4%

of persons in Illinois are under 18 years

12.5%

of persons in Illinois are 65 years and over

32.3%

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

10.3%

of persons in Texas are 65 years and over

Source: 2010 Census

Source: American Community Survey

Source: 2010 Census