QuickFacts

Population per square mile in Georgia is

168.4

Population per square mile in Michigan is

174.8

22.3%

of persons in New York are under 18 years

12.5%

of persons in Illinois are 65 years and over

Population per square mile in Philadelphia city, Pennsylvania is

11,379.5

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

27,012.5

Population per square mile in San Diego County, California is

735.8

The population of Maricopa County, Arizona is

4,167,947

35.7%

of persons 25 years+ in San Diego County, California have a bachelor's degree or higher

12.1%

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

Source: 2010 Census

Source: Population Estimates

Source: American Community Survey

Source: 2010 Census