QuickFacts

26.4%

of persons in Maricopa County, Arizona are under 18 years

26.1%

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

22.5%

of persons in Philadelphia city, Pennsylvania are under 18 years

Population per square mile in Maricopa County, Arizona is

414.9

Population per square mile in Georgia is

168.4

22.3%

of persons in New York are under 18 years

Population per square mile in Chicago city, Illinois is

11,841.8

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

27,012.5

The population of Harris County, Texas is

4,538,028

Population per square mile in Ohio is

282.3

Source: 2010 Census

Source: American Community Survey

Source: 2010 Census

Source: Population Estimates

Source: 2010 Census