QuickFacts

23.7%

of persons in Michigan are under 18 years

Population per square mile in Texas is

96.3

Population per square mile in Pennsylvania is

283.9

The population of Cook County, Illinois is

5,238,216

The population of New York city, New York is

8,550,405

12.9%

of persons in North Carolina are 65 years and over

12.1%

of persons in Maricopa County, Arizona are 65 years and over

Population per square mile in Houston city, Texas is

3,501.5

23.9%

of persons in North Carolina are under 18 years

The population of Los Angeles city, California is

3,971,883

Source: 2010 Census

Source: Population Estimates

Source: 2010 Census

Source: Population Estimates