QuickFacts

The population of Cook County, Illinois is

5,238,216

Population per square mile in Houston city, Texas is

3,501.5

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 Los Angeles city, California is

3,971,883

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 Cook County, Illinois is

$55,251

35.8%

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

12.5%

of persons in Illinois are 65 years and over

Source: Population Estimates

Source: 2010 Census

Source: Population Estimates

Source: 2010 Census

Source: American Community Survey

Source: 2010 Census