QuickFacts

Population per square mile in Maricopa County, Arizona is

414.9

Population per square mile in Philadelphia city, Pennsylvania is

11,379.5

Median household income of Chicago city, Illinois is

$48,522

12.1%

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

Population per square mile in North Carolina is

196.1

13.8%

of persons in Michigan are 65 years and over

Population per square mile in Cook County, Illinois is

5,495.1

25.9%

of persons in Houston city, Texas are under 18 years

The population of Florida is

20,612,439

Population per square mile in Maricopa County, Arizona is

414.9

Source: 2010 Census

Source: American Community Survey

Source: 2010 Census

Source: Population Estimates

Source: 2010 Census