QuickFacts

Population per square mile in Illinois is

231.1

25.4%

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

Population per square mile in Ohio is

282.3

Population per square mile in Florida is

350.6

Population per square mile in Houston city, Texas is

3,501.5

23.7%

of persons in Cook County, Illinois are under 18 years

24.5%

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

25.7%

of persons in Georgia are under 18 years

The population of Pennsylvania is

12,784,227

26.4%

of persons in Maricopa County, Arizona are under 18 years

Source: 2010 Census

Source: American Community Survey

Source: 2010 Census

Source: Population Estimates

Source: 2010 Census