QuickFacts

14.1%

of persons in Ohio are 65 years and over

Population per square mile in Illinois is

231.1

12.5%

of persons in Illinois are 65 years and over

Population per square mile in Cook County, Illinois is

5,495.1

Population per square mile in Houston city, Texas is

3,501.5

23.7%

of persons in Cook County, Illinois are under 18 years

Population per square mile in San Diego County, California is

735.8

31.5%

of persons 25 years+ in Los Angeles city, California have a bachelor's degree or higher

Population per square mile in Illinois is

231.1

12.1%

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

Source: 2010 Census

Source: American Community Survey

Source: 2010 Census