QuickFacts

11.9%

of persons in Cook County, Illinois are 65 years and over

Population per square mile in Pennsylvania is

283.9

10.3%

of persons in Chicago city, Illinois are 65 years and over

24.5%

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

Median household income of Maricopa County, Arizona is

$53,689

24.4%

of persons in Illinois are under 18 years

26.4%

of persons in Maricopa County, Arizona are under 18 years

Population per square mile in San Diego County, California is

735.8

Median household income of Florida is

$47,212

23.7%

of persons in Cook County, Illinois are under 18 years

Source: 2010 Census

Source: American Community Survey

Source: 2010 Census

Source: American Community Survey

Source: 2010 Census