QuickFacts

12.5%

of persons in Illinois are 65 years and over

26.4%

of persons in Maricopa County, Arizona are under 18 years

Median household income of Maricopa County, Arizona is

$54,229

Population per square mile in Cook County, Illinois is

5,495.1

10.5%

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

35.7%

of persons 25 years+ in New York city, New York have a bachelor's degree or higher

Median household income of San Diego County, California is

$64,309

Median household income of Illinois is

$57,574

24.4%

of persons in Illinois are under 18 years

23.1%

of persons in Los Angeles city, California are under 18 years

Source: 2010 Census

Source: American Community Survey

Source: 2010 Census

Source: American Community Survey

Source: 2010 Census