QuickFacts

21.6%

of persons in New York city, New York are under 18 years

17.3%

of persons in Florida are 65 years and over

The population of Los Angeles County, California is

10,170,292

Population per square mile in Pennsylvania is

283.9

23.7%

of persons in Cook County, Illinois are under 18 years

The population of Harris County, Texas is

4,538,028

Median household income of Chicago city, Illinois is

$48,522

Median household income of San Diego County, California is

$64,309

22.0%

of persons in Pennsylvania are under 18 years

13.5%

of persons in New York are 65 years and over

Source: 2010 Census

Source: Population Estimates

Source: 2010 Census

Source: Population Estimates

Source: American Community Survey

Source: 2010 Census