QuickFacts

15.4%

of persons in Pennsylvania are 65 years and over

15.4%

of persons in Pennsylvania are 65 years and over

The population of Los Angeles County, California is

10,170,292

Population per square mile in San Diego County, California is

735.8

11.4%

of persons in San Diego County, California are 65 years and over

21.6%

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

24.5%

of persons in Los Angeles County, California are under 18 years

Population per square mile in Maricopa County, Arizona is

414.9

22.0%

of persons in Pennsylvania are under 18 years

In Philadelphia city, Pennsylvania

57.3%

of females 16 years+ are in the civilian labor force

Source: 2010 Census

Source: Population Estimates

Source: 2010 Census

Source: American Community Survey