QuickFacts

Population per square mile in New York city, New York is

27,012.5

21.3%

of persons in Florida are under 18 years

Population per square mile in San Diego County, California is

735.8

21.3%

of persons in Florida are under 18 years

Median household income of Cook County, Illinois is

$55,251

The population of New York is

19,745,289

10.3%

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

The population of San Diego County, California is

3,299,521

The population of California is

39,250,017

The population of Florida is

20,612,439

Source: 2010 Census

Source: American Community Survey

Source: Population Estimates

Source: 2010 Census

Source: Population Estimates