QuickFacts

Population per square mile in Philadelphia city, Pennsylvania is

11,379.5

23.9%

of persons in North Carolina are under 18 years

Population per square mile in California is

239.1

Population per square mile in Maricopa County, Arizona is

414.9

Population per square mile in California is

239.1

Population per square mile in North Carolina is

196.1

23.1%

of persons in Los Angeles city, California are under 18 years

28.6%

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

10.5%

of persons in Los Angeles city, California are 65 years and over

The population of Cook County, Illinois is

5,238,216

Source: 2010 Census

Source: American Community Survey

Source: 2010 Census

Source: Population Estimates