QuickFacts

11.9%

of persons in Cook County, Illinois are 65 years and over

27.3%

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

11.4%

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

10.3%

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

26.4%

of persons in Maricopa County, Arizona are under 18 years

35.8%

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

Population per square mile in Illinois is

231.1

The population of Ohio is

11,614,373

Population per square mile in Los Angeles city, California is

8,092.3

28.0%

of persons in Harris County, Texas are under 18 years

Source: 2010 Census

Source: American Community Survey

Source: 2010 Census

Source: American Community Survey

Source: 2010 Census

Source: Population Estimates

Source: 2010 Census