QuickFacts

11.4%

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

The population of Illinois is

12,801,539

Population per square mile in Chicago city, Illinois is

11,841.8

24.4%

of persons in Illinois are under 18 years

12.9%

of persons in North Carolina are 65 years and over

11.4%

of persons in California are 65 years and over

28.4%

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

Population per square mile in Ohio is

282.3

10.9%

of persons in Los Angeles County, California are 65 years and over

10.3%

of persons in Texas are 65 years and over

Source: 2010 Census

Source: Population Estimates

Source: 2010 Census

Source: American Community Survey

Source: 2010 Census