QuickFacts

23.1%

of persons in Los Angeles city, California are under 18 years

Population per square mile in San Diego County, California is

735.8

Median household income of Chicago city, Illinois is

$48,522

10.3%

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

21.3%

of persons in Florida are under 18 years

Population per square mile in Michigan is

174.8

Population per square mile in New York is

411.2

The population of Illinois is

12,801,539

Population per square mile in Los Angeles County, California is

2,419.6

15.4%

of persons in Pennsylvania are 65 years and over

Source: 2010 Census

Source: American Community Survey

Source: 2010 Census

Source: Population Estimates

Source: 2010 Census