QuickFacts

24.5%

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

Population per square mile in Philadelphia city, Pennsylvania is

11,379.5

The population of Harris County, Texas is

4,538,028

17.3%

of persons in Florida are 65 years and over

In San Diego County, California

57.2%

of females 16 years+ are in the civilian labor force

Population per square mile in Cook County, Illinois is

5,495.1

22.0%

of persons in Pennsylvania are under 18 years

12.1%

of persons in New York city, New York are 65 years and over

28.6%

of persons 25 years+ in Pennsylvania have a bachelor's degree or higher

26.4%

of persons in Maricopa County, Arizona are under 18 years

Source: 2010 Census

Source: Population Estimates

Source: 2010 Census

Source: American Community Survey

Source: 2010 Census

Source: American Community Survey

Source: 2010 Census