QuickFacts

23.7%

of persons in Ohio are under 18 years

23.7%

of persons in Ohio are under 18 years

The population of Harris County, Texas is

4,538,028

12.5%

of persons in Illinois are 65 years and over

22.5%

of persons in Philadelphia city, Pennsylvania are under 18 years

Population per square mile in Illinois is

231.1

Population per square mile in Chicago city, Illinois is

11,841.8

11.9%

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

27.3%

of persons in Texas are under 18 years

26.1%

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

Source: 2010 Census

Source: Population Estimates

Source: 2010 Census

Source: American Community Survey