QuickFacts

23.7%

of persons in Cook County, Illinois are under 18 years

The population of New York city, New York is

8,550,405

21.6%

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

12.5%

of persons in Illinois are 65 years and over

In Illinois

60.7%

of females 16 years+ are in the civilian labor force

Population per square mile in Maricopa County, Arizona is

414.9

11.4%

of persons in California are 65 years and over

24.4%

of persons in Illinois are under 18 years

25.9%

of persons in Houston city, Texas are under 18 years

The population of Maricopa County, Arizona is

4,167,947

Source: 2010 Census

Source: Population Estimates

Source: 2010 Census

Source: American Community Survey

Source: 2010 Census

Source: Population Estimates