QuickFacts

15.4%

of persons in Pennsylvania are 65 years and over

35.7%

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

The population of Florida is

20,612,439

11.9%

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

The population of Georgia is

10,310,371

23.7%

of persons in Michigan are under 18 years

Population per square mile in Maricopa County, Arizona is

414.9

10.5%

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

22.3%

of persons in New York are under 18 years

Population per square mile in Maricopa County, Arizona is

414.9

Source: 2010 Census

Source: American Community Survey

Source: Population Estimates

Source: 2010 Census

Source: Population Estimates

Source: 2010 Census