QuickFacts

Population per square mile in San Diego County, California is

735.8

12.1%

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

Population per square mile in Philadelphia city, Pennsylvania is

11,379.5

The population of San Diego County, California is

3,299,521

Population per square mile in Michigan is

174.8

10.7%

of persons in Georgia are 65 years and over

23.7%

of persons in Cook County, Illinois are under 18 years

35.7%

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

24.4%

of persons in Illinois are under 18 years

24.5%

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

Source: 2010 Census

Source: Population Estimates

Source: 2010 Census

Source: American Community Survey

Source: 2010 Census