QuickFacts

Population per square mile in Chicago city, Illinois is

11,841.8

12.1%

of persons in Maricopa County, Arizona are 65 years and over

Median household income of New York city, New York is

$53,373

10.5%

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

23.1%

of persons in Chicago city, Illinois are under 18 years

32.3%

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

Population per square mile in Florida is

350.6

11.4%

of persons in California are 65 years and over

28.0%

of persons in Harris County, Texas are under 18 years

The population of Pennsylvania is

12,784,227

Source: 2010 Census

Source: American Community Survey

Source: 2010 Census

Source: American Community Survey

Source: 2010 Census

Source: Population Estimates