QuickFacts

23.7%

of persons in Cook County, Illinois are under 18 years

Population per square mile in Chicago city, Illinois is

11,841.8

Median household income of Cook County, Illinois is

$54,828

The population of Illinois is

12,859,995

12.1%

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

29.9%

of persons 25 years+ in Los Angeles County, California have a bachelor's degree or higher

Population per square mile in Ohio is

282.3

23.4%

of persons in San Diego County, California are under 18 years

Median household income of Houston city, Texas is

$45,728

10.5%

of persons in Los Angeles city, California are 65 years and over

Source: 2010 Census

Source: American Community Survey

Source: Population Estimates

Source: 2010 Census

Source: American Community Survey

Source: 2010 Census

Source: American Community Survey

Source: 2010 Census