QuickFacts

Population per square mile in Los Angeles city, California is

8,092.3

Population per square mile in Illinois is

231.1

12.5%

of persons in Illinois are 65 years and over

21.3%

of persons in Florida are under 18 years

31.4%

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

24.4%

of persons in Illinois are under 18 years

Population per square mile in Cook County, Illinois is

5,495.1

13.8%

of persons in Michigan are 65 years and over

Population per square mile in Los Angeles County, California is

2,419.6

22.5%

of persons in Philadelphia city, Pennsylvania are under 18 years

Source: 2010 Census

Source: American Community Survey

Source: 2010 Census