QuickFacts

22.5%

of persons in Philadelphia city, Pennsylvania are under 18 years

10.5%

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

Population per square mile in Maricopa County, Arizona is

414.9

24.5%

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

The population of Maricopa County, Arizona is

4,167,947

In Houston city, Texas

59.9%

of females 16 years+ are in the civilian labor force

23.7%

of persons in Cook County, Illinois are under 18 years

The population of Philadelphia city, Pennsylvania is

1,567,442

9.0%

of persons in Houston city, Texas are 65 years and over

23.7%

of persons in Ohio are under 18 years

Source: 2010 Census

Source: Population Estimates

Source: American Community Survey

Source: 2010 Census

Source: Population Estimates

Source: 2010 Census