QuickFacts

11.9%

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

Median household income of Cook County, Illinois is

$55,251

Population per square mile in Florida is

350.6

The population of New York city, New York is

8,550,405

Population per square mile in Illinois is

231.1

23.7%

of persons in Cook County, Illinois are under 18 years

The population of Maricopa County, Arizona is

4,167,947

28.0%

of persons in Harris County, Texas are under 18 years

29.5%

of persons 25 years+ in Harris County, Texas have a bachelor's degree or higher

The population of Harris County, Texas is

4,538,028

Source: 2010 Census

Source: American Community Survey

Source: 2010 Census

Source: Population Estimates

Source: 2010 Census

Source: Population Estimates

Source: 2010 Census

Source: American Community Survey

Source: Population Estimates