QuickFacts

23.1%

of persons in Los Angeles city, California are under 18 years

35.1%

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

31.9%

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

The population of Illinois is

12,859,995

Population per square mile in Cook County, Illinois is

5,495.1

23.7%

of persons in Michigan are under 18 years

23.7%

of persons in Ohio are under 18 years

The population of Chicago city, Illinois is

2,722,389

8.1%

of persons in Harris County, Texas are 65 years and over

Population per square mile in Los Angeles County, California is

2,419.6

Source: 2010 Census

Source: American Community Survey

Source: Population Estimates

Source: 2010 Census

Source: Population Estimates

Source: 2010 Census