QuickFacts

Population per square mile in Michigan is

174.8

35.7%

of persons 25 years+ in San Diego County, California have a bachelor's degree or higher

15.4%

of persons in Pennsylvania are 65 years and over

12.1%

of persons in Philadelphia city, Pennsylvania are 65 years and over

22.0%

of persons in Pennsylvania are under 18 years

23.7%

of persons in Michigan are under 18 years

Population per square mile in Maricopa County, Arizona is

414.9

22.5%

of persons in Philadelphia city, Pennsylvania are under 18 years

28.0%

of persons in Harris County, Texas are under 18 years

The population of Harris County, Texas is

4,538,028

Source: 2010 Census

Source: American Community Survey

Source: 2010 Census

Source: Population Estimates