QuickFacts

26.4%

of persons in Maricopa County, Arizona are under 18 years

11.9%

of persons in Cook County, Illinois are 65 years and over

The population of Pennsylvania is

12,784,227

28.8%

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

Population per square mile in San Diego County, California is

735.8

The population of North Carolina is

10,146,788

21.6%

of persons in New York city, New York are under 18 years

The population of New York is

19,745,289

11.4%

of persons in San Diego County, California are 65 years and over

12.5%

of persons in Illinois are 65 years and over

Source: 2010 Census

Source: Population Estimates

Source: American Community Survey

Source: 2010 Census

Source: Population Estimates

Source: 2010 Census

Source: Population Estimates

Source: 2010 Census