QuickFacts

23.4%

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

10.3%

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

The population of Florida is

20,612,439

23.4%

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

23.1%

of persons in Chicago city, Illinois are under 18 years

Population per square mile in North Carolina is

196.1

10.3%

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

The population of Maricopa County, Arizona is

4,167,947

12.5%

of persons in Illinois are 65 years and over

Median household income of Chicago city, Illinois is

$48,522

Source: 2010 Census

Source: Population Estimates

Source: 2010 Census

Source: Population Estimates

Source: 2010 Census

Source: American Community Survey