QuickFacts

Population per square mile in Ohio is

282.3

21.3%

of persons in Florida are under 18 years

25.9%

of persons in Houston city, Texas are under 18 years

26.4%

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

The population of Maricopa County, Arizona is

4,087,191

23.4%

of persons in San Diego County, California are under 18 years

28.0%

of persons in Harris County, Texas are under 18 years

12.5%

of persons in Illinois are 65 years and over

11.9%

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

30.0%

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

Source: 2010 Census

Source: American Community Survey

Source: Population Estimates

Source: 2010 Census

Source: American Community Survey