QuickFacts

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

27,012.5

Population per square mile in Maricopa County, Arizona is

414.9

26.4%

of persons in Maricopa County, Arizona are under 18 years

The population of Texas is

27,862,596

15.4%

of persons in Pennsylvania are 65 years and over

11.4%

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

Population per square mile in San Diego County, California is

735.8

21.3%

of persons in Florida are under 18 years

35.7%

of persons 25 years+ in San Diego County, California have a bachelor's degree or higher

The population of Philadelphia city, Pennsylvania is

1,567,442

Source: 2010 Census

Source: Population Estimates

Source: 2010 Census

Source: American Community Survey

Source: Population Estimates