QuickFacts

12.1%

of persons in Philadelphia city, Pennsylvania are 65 years and over

10.5%

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

The population of Pennsylvania is

12,784,227

Population per square mile in Florida is

350.6

Population per square mile in Houston city, Texas is

3,501.5

23.7%

of persons in Cook County, Illinois are under 18 years

Population per square mile in New York city, New York is

27,012.5

17.3%

of persons in Florida are 65 years and over

23.1%

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

30.4%

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

Source: 2010 Census

Source: Population Estimates

Source: 2010 Census

Source: American Community Survey