QuickFacts

Population per square mile in Florida is

350.6

15.4%

of persons in Pennsylvania are 65 years and over

The population of Pennsylvania is

12,802,503

11.4%

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

23.1%

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

The population of North Carolina is

10,042,802

The population of Illinois is

12,859,995

35.3%

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

The population of Ohio is

11,613,423

Population per square mile in Maricopa County, Arizona is

414.9

Source: 2010 Census

Source: Population Estimates

Source: 2010 Census

Source: Population Estimates

Source: American Community Survey

Source: Population Estimates

Source: 2010 Census