QuickFacts

23.1%

of persons in Chicago city, Illinois are under 18 years

14.1%

of persons in Ohio are 65 years and over

28.4%

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

Population per square mile in San Diego County, California is

735.8

The population of Harris County, Texas is

4,538,028

23.1%

of persons in Chicago city, Illinois are under 18 years

Population per square mile in Florida is

350.6

The population of Illinois is

12,801,539

Population per square mile in Philadelphia city, Pennsylvania is

11,379.5

The population of California is

39,250,017

Source: 2010 Census

Source: American Community Survey

Source: 2010 Census

Source: Population Estimates

Source: 2010 Census

Source: Population Estimates

Source: 2010 Census

Source: Population Estimates