QuickFacts

21.6%

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

In Pennsylvania

58.3%

of females 16 years+ are in the civilian labor force

35.7%

of persons 25 years+ in San Diego County, California have a bachelor's degree or higher

The population of Pennsylvania is

12,784,227

The population of Cook County, Illinois is

5,238,216

23.7%

of persons in Cook County, Illinois are under 18 years

21.3%

of persons in Florida are under 18 years

The population of San Diego County, California is

3,299,521

The population of Maricopa County, Arizona is

4,167,947

The population of Pennsylvania is

12,784,227

Source: 2010 Census

Source: American Community Survey

Source: Population Estimates

Source: 2010 Census

Source: Population Estimates