QuickFacts

Population per square mile in Maricopa County, Arizona is

414.9

Population per square mile in Philadelphia city, Pennsylvania is

11,379.5

The population of Cook County, Illinois is

5,238,216

The population of Cook County, Illinois is

5,238,216

The population of Cook County, Illinois is

5,238,216

25.9%

of persons in Houston city, Texas are under 18 years

Population per square mile in New York city, New York is

27,012.5

25.4%

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

12.9%

of persons in North Carolina are 65 years and over

Population per square mile in Cook County, Illinois is

5,495.1

Source: 2010 Census

Source: Population Estimates

Source: 2010 Census

Source: American Community Survey

Source: 2010 Census