QuickFacts

Population per square mile in San Diego County, California is

735.8

13.5%

of persons in New York are 65 years and over

28.0%

of persons in Harris County, Texas are under 18 years

12.9%

of persons in North Carolina are 65 years and over

17.3%

of persons in Florida are 65 years and over

Population per square mile in Philadelphia city, Pennsylvania is

11,379.5

23.9%

of persons in North Carolina are under 18 years

13.8%

of persons in Michigan are 65 years and over

32.3%

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

34.2%

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

Source: 2010 Census

Source: American Community Survey