QuickFacts

Median household income of Illinois is

$57,574

11.4%

of persons in San Diego County, California are 65 years and over

10.9%

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

12.5%

of persons in Illinois are 65 years and over

Population per square mile in Los Angeles city, California is

8,092.3

13.8%

of persons in Michigan are 65 years and over

The population of Cook County, Illinois is

5,238,216

Population per square mile in North Carolina is

196.1

23.7%

of persons in Ohio are under 18 years

The population of Cook County, Illinois is

5,238,216

Source: American Community Survey

Source: 2010 Census

Source: Population Estimates

Source: 2010 Census

Source: Population Estimates