QuickFacts

Population per square mile in Philadelphia city, Pennsylvania is

11,379.5

12.1%

of persons in Maricopa County, Arizona are 65 years and over

12.1%

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

27.3%

of persons in Texas are under 18 years

The population of New York is

19,795,791

33.7%

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

21.3%

of persons in Florida are under 18 years

Population per square mile in Harris County, Texas is

2,402.4

21.6%

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

12.1%

of persons in Maricopa County, Arizona are 65 years and over

Source: 2010 Census

Source: Population Estimates

Source: American Community Survey

Source: 2010 Census