QuickFacts

Population per square mile in Cook County, Illinois is

5,495.1

Median household income of Cook County, Illinois is

$55,251

26.1%

of persons 25 years+ in Ohio have a bachelor's degree or higher

The population of Los Angeles city, California is

3,971,883

12.9%

of persons in North Carolina are 65 years and over

The population of Illinois is

12,801,539

Median household income of San Diego County, California is

$64,309

17.3%

of persons in Florida are 65 years and over

13.8%

of persons in Michigan are 65 years and over

23.7%

of persons in Michigan are under 18 years

Source: 2010 Census

Source: American Community Survey

Source: Population Estimates

Source: 2010 Census

Source: Population Estimates

Source: American Community Survey

Source: 2010 Census