QuickFacts

Population per square mile in Cook County, Illinois is

5,495.1

The population of Philadelphia city, Pennsylvania is

1,560,297

24.4%

of persons in Illinois are under 18 years

The population of New York city, New York is

8,491,079

Population per square mile in North Carolina is

196.1

11.9%

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

Population per square mile in New York is

411.2

27.8%

of persons 25 years+ in North Carolina have a bachelor's degree or higher

Population per square mile in San Diego County, California is

735.8

23.4%

of persons in San Diego County, California are under 18 years

Source: 2010 Census

Source: Population Estimates

Source: 2010 Census

Source: Population Estimates

Source: 2010 Census

Source: American Community Survey

Source: 2010 Census