QuickFacts

Population per square mile in Cook County, Illinois is

5,495.1

26.4%

of persons in Maricopa County, Arizona are under 18 years

25.4%

of persons 25 years+ in Philadelphia city, Pennsylvania have a bachelor's degree or higher

22.3%

of persons in New York are under 18 years

The population of Pennsylvania is

12,784,227

Population per square mile in Illinois is

231.1

12.1%

of persons in New York city, New York are 65 years and over

Median household income of Cook County, Illinois is

$55,251

10.3%

of persons in Texas are 65 years and over

In San Diego County, California

57.2%

of females 16 years+ are in the civilian labor force

Source: 2010 Census

Source: American Community Survey

Source: 2010 Census

Source: Population Estimates

Source: 2010 Census

Source: American Community Survey

Source: 2010 Census

Source: American Community Survey