QuickFacts

The population of Cook County, Illinois is

5,246,456

24.5%

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

29.0%

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

11.4%

of persons in California are 65 years and over

24.5%

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

22.3%

of persons in New York are under 18 years

Population per square mile in Florida is

350.6

12.1%

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

22.5%

of persons in Philadelphia city, Pennsylvania are under 18 years

The population of Illinois is

12,859,995

Source: Population Estimates

Source: American Community Survey

Source: 2010 Census

Source: Population Estimates