QuickFacts

23.1%

of persons in Chicago city, Illinois are under 18 years

Population per square mile in Los Angeles County, California is

2,419.6

Median household income of New York city, New York is

$53,373

35.8%

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

Population per square mile in Maricopa County, Arizona is

414.9

10.3%

of persons in Texas are 65 years and over

The population of Florida is

20,612,439

24.4%

of persons in Illinois are under 18 years

Population per square mile in Pennsylvania is

283.9

11.4%

of persons in San Diego County, California are 65 years and over

Source: 2010 Census

Source: American Community Survey

Source: 2010 Census

Source: Population Estimates

Source: 2010 Census