QuickFacts

Population per square mile in Illinois is

231.1

Population per square mile in New York city, New York is

27,012.5

The population of Maricopa County, Arizona is

4,087,191

25.7%

of persons in Georgia are under 18 years

11.9%

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

Population per square mile in Michigan is

174.8

Median household income of Florida is

$47,212

Median household income of Los Angeles County, California is

$55,870

35.0%

of persons 25 years+ in New York city, New York have a bachelor's degree or higher

The population of Cook County, Illinois is

5,246,456

Source: 2010 Census

Source: Population Estimates

Source: 2010 Census

Source: American Community Survey

Source: Population Estimates