QuickFacts

14.1%

of persons in Ohio are 65 years and over

11.9%

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

12.9%

of persons in North Carolina are 65 years and over

29.5%

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

11.9%

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

23.7%

of persons in Cook County, Illinois are under 18 years

The population of Illinois is

12,801,539

The population of San Diego County, California is

3,299,521

Population per square mile in California is

239.1

Median household income of Chicago city, Illinois is

$48,522

Source: 2010 Census

Source: American Community Survey

Source: 2010 Census

Source: Population Estimates

Source: 2010 Census

Source: American Community Survey