QuickFacts

12.1%

of persons in Philadelphia city, Pennsylvania are 65 years and over

Median household income of Cook County, Illinois is

$54,828

The population of Florida is

20,271,272

24.4%

of persons in Illinois are under 18 years

11.4%

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

35.3%

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

15.4%

of persons in Pennsylvania are 65 years and over

The population of California is

39,144,818

Population per square mile in New York is

411.2

24.4%

of persons in Illinois are under 18 years

Source: 2010 Census

Source: American Community Survey

Source: Population Estimates

Source: 2010 Census

Source: American Community Survey

Source: 2010 Census

Source: Population Estimates

Source: 2010 Census