QuickFacts

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

27,012.5

11.4%

of persons in California are 65 years and over

Population per square mile in Cook County, Illinois is

5,495.1

13.8%

of persons in Michigan are 65 years and over

11.4%

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

31.4%

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

13.5%

of persons in New York are 65 years and over

Population per square mile in Pennsylvania is

283.9

24.4%

of persons in Illinois are under 18 years

Population per square mile in Harris County, Texas is

2,402.4

Source: 2010 Census

Source: American Community Survey

Source: 2010 Census