QuickFacts

26.4%

of persons in Maricopa County, Arizona are under 18 years

10.7%

of persons in Georgia are 65 years and over

24.5%

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

Population per square mile in San Diego County, California is

735.8

The population of Pennsylvania is

12,784,227

Population per square mile in San Diego County, California is

735.8

25.4%

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

The population of San Diego County, California is

3,299,521

Population per square mile in Michigan is

174.8

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

27,012.5

Source: 2010 Census

Source: Population Estimates

Source: 2010 Census

Source: American Community Survey

Source: Population Estimates

Source: 2010 Census