QuickFacts

Population per square mile in Chicago city, Illinois is

11,841.8

23.7%

of persons in Ohio are under 18 years

Population per square mile in San Diego County, California is

735.8

25.9%

of persons in Houston city, Texas are under 18 years

Population per square mile in Illinois is

231.1

28.0%

of persons in Harris County, Texas are under 18 years

Population per square mile in Cook County, Illinois is

5,495.1

27.8%

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

The population of Los Angeles city, California is

3,928,864

The population of Illinois is

12,859,995

Source: 2010 Census

Source: American Community Survey

Source: Population Estimates