QuickFacts

26.4%

of persons in Maricopa County, Arizona are under 18 years

The population of Pennsylvania is

12,784,227

Population per square mile in Maricopa County, Arizona is

414.9

11.9%

of persons in Cook County, Illinois are 65 years and over

10.7%

of persons in Georgia are 65 years and over

10.5%

of persons in Los Angeles city, California are 65 years and over

In Philadelphia city, Pennsylvania

57.3%

of females 16 years+ are in the civilian labor force

Median household income of New York city, New York is

$53,373

21.6%

of persons in New York city, New York are under 18 years

The population of Philadelphia city, Pennsylvania is

1,567,442

Source: 2010 Census

Source: Population Estimates

Source: 2010 Census

Source: American Community Survey

Source: 2010 Census

Source: Population Estimates