QuickFacts

25.0%

of persons in California are under 18 years

24.4%

of persons in Illinois are under 18 years

12.5%

of persons in Illinois are 65 years and over

25.9%

of persons in Houston city, Texas are under 18 years

12.1%

of persons in Philadelphia city, Pennsylvania are 65 years and over

23.7%

of persons in Cook County, Illinois are under 18 years

23.1%

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

30.4%

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

23.1%

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

The population of Cook County, Illinois is

5,238,216

Source: 2010 Census

Source: American Community Survey

Source: 2010 Census

Source: Population Estimates