QuickFacts

21.6%

of persons in New York city, New York are under 18 years

17.3%

of persons in Florida are 65 years and over

22.5%

of persons in Philadelphia city, Pennsylvania are under 18 years

29.5%

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

12.9%

of persons in North Carolina are 65 years and over

The population of Illinois is

12,801,539

Population per square mile in Texas is

96.3

23.7%

of persons in Ohio are under 18 years

Population per square mile in Cook County, Illinois is

5,495.1

11.9%

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

Source: 2010 Census

Source: American Community Survey

Source: 2010 Census

Source: Population Estimates

Source: 2010 Census