QuickFacts

25.0%

of persons in California are under 18 years

10.3%

of persons in Chicago city, Illinois are 65 years and over

In Philadelphia city, Pennsylvania

57.3%

of females 16 years+ are in the civilian labor force

28.0%

of persons in Harris County, Texas are under 18 years

The population of Los Angeles County, California is

10,170,292

10.9%

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

12.1%

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

Population per square mile in Cook County, Illinois is

5,495.1

In Texas

57.7%

of females 16 years+ are in the civilian labor force

The population of Pennsylvania is

12,784,227

Source: 2010 Census

Source: American Community Survey

Source: 2010 Census

Source: Population Estimates

Source: 2010 Census

Source: American Community Survey

Source: Population Estimates