QuickFacts

Population per square mile in Philadelphia city, Pennsylvania is

11,379.5

Median household income of Cook County, Illinois is

$55,251

The population of Maricopa County, Arizona is

4,167,947

23.4%

of persons in San Diego County, California are under 18 years

22.3%

of persons in New York are under 18 years

23.7%

of persons in Cook County, Illinois are under 18 years

25.7%

of persons in Georgia are under 18 years

Population per square mile in Cook County, Illinois is

5,495.1

The population of New York is

19,745,289

In Pennsylvania

58.3%

of females 16 years+ are in the civilian labor force

Source: 2010 Census

Source: American Community Survey

Source: Population Estimates

Source: 2010 Census

Source: Population Estimates

Source: American Community Survey