QuickFacts

23.7%

of persons in Cook County, Illinois are under 18 years

35.8%

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

30.4%

of persons 25 years+ in Maricopa County, Arizona have a bachelor's degree or higher

13.8%

of persons in Michigan are 65 years and over

Population per square mile in Los Angeles County, California is

2,419.6

Median household income of Philadelphia city, Pennsylvania is

$38,253

Population per square mile in California is

239.1

Median household income of Los Angeles city, California is

$50,205

Population per square mile in Los Angeles County, California is

2,419.6

22.0%

of persons in Pennsylvania are under 18 years

Source: 2010 Census

Source: American Community Survey

Source: 2010 Census

Source: American Community Survey

Source: 2010 Census

Source: American Community Survey

Source: 2010 Census