QuickFacts

Population per square mile in Pennsylvania is

283.9

Population per square mile in Ohio is

282.3

Population per square mile in Michigan is

174.8

22.0%

of persons in Pennsylvania are under 18 years

29.5%

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

Population per square mile in San Diego County, California is

735.8

Population per square mile in Los Angeles County, California is

2,419.6

14.1%

of persons in Ohio are 65 years and over

21.3%

of persons in Florida are under 18 years

10.3%

of persons in Chicago city, Illinois are 65 years and over

Source: 2010 Census

Source: American Community Survey

Source: 2010 Census