QuickFacts

Population per square mile in Chicago city, Illinois is

11,841.8

24.4%

of persons in Illinois are under 18 years

10.3%

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

12.1%

of persons in New York city, New York are 65 years and over

12.1%

of persons in New York city, New York are 65 years and over

23.9%

of persons in North Carolina are under 18 years

Population per square mile in California is

239.1

Population per square mile in New York is

411.2

17.3%

of persons in Florida are 65 years and over

Median household income of Maricopa County, Arizona is

$54,229

Source: 2010 Census

Source: American Community Survey