QuickFacts

10.9%

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

Population per square mile in Maricopa County, Arizona is

414.9

24.5%

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

35.6%

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

The population of Maricopa County, Arizona is

4,167,947

10.3%

of persons in Chicago city, Illinois are 65 years and over

30.4%

of persons 25 years+ in Maricopa County, Arizona have a bachelor's degree or higher

28.6%

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

Population per square mile in San Diego County, California is

735.8

The population of Pennsylvania is

12,784,227

Source: 2010 Census

Source: American Community Survey

Source: Population Estimates

Source: 2010 Census

Source: American Community Survey

Source: 2010 Census

Source: Population Estimates