QuickFacts

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

27,012.5

The population of Maricopa County, Arizona is

4,167,947

22.0%

of persons in Pennsylvania are under 18 years

Population per square mile in Florida is

350.6

12.1%

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

The population of Chicago city, Illinois is

2,720,546

Median household income of Pennsylvania is

$53,599

In Cook County, Illinois

61.0%

of females 16 years+ are in the civilian labor force

23.7%

of persons in Michigan are under 18 years

The population of San Diego County, California is

3,299,521

Source: 2010 Census

Source: Population Estimates

Source: 2010 Census

Source: Population Estimates

Source: American Community Survey

Source: 2010 Census

Source: Population Estimates