QuickFacts

23.4%

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

12.5%

of persons in Illinois are 65 years and over

Population per square mile in North Carolina is

196.1

10.3%

of persons in Chicago city, Illinois are 65 years and over

10.7%

of persons in Georgia are 65 years and over

21.3%

of persons in Florida are under 18 years

24.4%

of persons in Illinois are under 18 years

32.0%

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

12.1%

of persons in Philadelphia city, Pennsylvania are 65 years and over

Population per square mile in Ohio is

282.3

Source: 2010 Census

Source: American Community Survey

Source: 2010 Census