QuickFacts

28.0%

of persons in Harris County, Texas are under 18 years

The population of Maricopa County, Arizona is

4,167,947

In Los Angeles County, California

57.7%

of females 16 years+ are in the civilian labor force

The population of Philadelphia city, Pennsylvania is

1,567,442

26.4%

of persons in Maricopa County, Arizona are under 18 years

Population per square mile in Michigan is

174.8

11.9%

of persons in Cook County, Illinois are 65 years and over

The population of New York city, New York is

8,550,405

23.7%

of persons in Cook County, Illinois are under 18 years

12.9%

of persons in North Carolina are 65 years and over

Source: 2010 Census

Source: Population Estimates

Source: American Community Survey

Source: Population Estimates

Source: 2010 Census

Source: Population Estimates

Source: 2010 Census