QuickFacts

Population per square mile in Philadelphia city, Pennsylvania is

11,379.5

24.4%

of persons in Illinois are under 18 years

26.4%

of persons in Maricopa County, Arizona are under 18 years

32.0%

of persons 25 years+ in Los Angeles city, California have a bachelor's degree or higher

10.9%

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

25.0%

of persons in California are under 18 years

31.4%

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

Population per square mile in Cook County, Illinois is

5,495.1

Population per square mile in Michigan is

174.8

Median household income of Illinois is

$57,574

Source: 2010 Census

Source: American Community Survey

Source: 2010 Census

Source: American Community Survey

Source: 2010 Census

Source: American Community Survey