QuickFacts

Population per square mile in Florida is

350.6

25.4%

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

Population per square mile in Maricopa County, Arizona is

414.9

10.7%

of persons in Georgia are 65 years and over

The population of Pennsylvania is

12,784,227

The population of San Diego County, California is

3,299,521

10.9%

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

The population of Cook County, Illinois is

5,238,216

Population per square mile in Pennsylvania is

283.9

9.0%

of persons in Houston city, Texas are 65 years and over

Source: 2010 Census

Source: American Community Survey

Source: 2010 Census

Source: Population Estimates

Source: 2010 Census

Source: Population Estimates

Source: 2010 Census