QuickFacts

Population per square mile in Chicago city, Illinois is

11,841.8

11.9%

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

23.4%

of persons in San Diego County, California are under 18 years

35.1%

of persons 25 years+ in San Diego County, California have a bachelor's degree or higher

Population per square mile in New York city, New York is

27,012.5

25.7%

of persons in Georgia are under 18 years

10.9%

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

Median household income of Maricopa County, Arizona is

$53,689

Median household income of Illinois is

$57,166

Median household income of Michigan is

$49,087

Source: 2010 Census

Source: American Community Survey

Source: 2010 Census

Source: American Community Survey