QuickFacts

23.4%

of persons in San Diego County, California are under 18 years

22.3%

of persons in New York are under 18 years

25.4%

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

Population per square mile in California is

239.1

The population of California is

39,250,017

22.3%

of persons in New York are under 18 years

Population per square mile in Maricopa County, Arizona is

414.9

The population of San Diego County, California is

3,299,521

The population of Houston city, Texas is

2,296,224

Population per square mile in Cook County, Illinois is

5,495.1

Source: 2010 Census

Source: American Community Survey

Source: 2010 Census

Source: Population Estimates

Source: 2010 Census

Source: Population Estimates

Source: 2010 Census