QuickFacts

22.5%

of persons in Philadelphia city, Pennsylvania are under 18 years

12.9%

of persons in North Carolina are 65 years and over

Population per square mile in New York is

411.2

The population of Los Angeles city, California is

3,928,864

Population per square mile in Pennsylvania is

283.9

12.1%

of persons in New York city, New York are 65 years and over

21.6%

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

30.0%

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

8.1%

of persons in Harris County, Texas are 65 years and over

The population of Houston city, Texas is

2,239,558

Source: 2010 Census

Source: Population Estimates

Source: 2010 Census

Source: American Community Survey

Source: 2010 Census

Source: Population Estimates