QuickFacts

11.9%

of persons in Cook County, Illinois are 65 years and over

Population per square mile in Pennsylvania is

283.9

The population of Maricopa County, Arizona is

4,167,947

21.3%

of persons in Florida are under 18 years

Population per square mile in Texas is

96.3

21.6%

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

The population of Cook County, Illinois is

5,238,216

23.9%

of persons in North Carolina are under 18 years

12.1%

of persons in Maricopa County, Arizona are 65 years and over

Median household income of North Carolina is

$46,868

Source: 2010 Census

Source: Population Estimates

Source: 2010 Census

Source: Population Estimates

Source: 2010 Census

Source: American Community Survey