QuickFacts

23.1%

of persons in Chicago city, Illinois are under 18 years

Median household income of San Diego County, California is

$63,996

9.0%

of persons in Houston city, Texas are 65 years and over

The population of California is

39,144,818

Median household income of Cook County, Illinois is

$54,828

14.1%

of persons in Ohio are 65 years and over

Population per square mile in Florida is

350.6

11.4%

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

12.1%

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

25.7%

of persons in Georgia are under 18 years

Source: 2010 Census

Source: American Community Survey

Source: 2010 Census

Source: Population Estimates

Source: American Community Survey

Source: 2010 Census