QuickFacts

23.4%

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

Population per square mile in Chicago city, Illinois is

11,841.8

25.0%

of persons in California are under 18 years

Population per square mile in Florida is

350.6

Median household income of Pennsylvania is

$53,599

30.3%

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

10.7%

of persons in Georgia are 65 years and over

The population of Cook County, Illinois is

5,238,216

24.4%

of persons in Illinois are under 18 years

17.3%

of persons in Florida are 65 years and over

Source: 2010 Census

Source: American Community Survey

Source: 2010 Census

Source: Population Estimates

Source: 2010 Census