QuickFacts

13.8%

of persons in Michigan are 65 years and over

12.1%

of persons in Maricopa County, Arizona are 65 years and over

24.5%

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

23.7%

of persons in Michigan are under 18 years

28.0%

of persons in Harris County, Texas are under 18 years

Population per square mile in Philadelphia city, Pennsylvania is

11,379.5

30.3%

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

Population per square mile in Georgia is

168.4

Population per square mile in Michigan is

174.8

Population per square mile in Philadelphia city, Pennsylvania is

11,379.5

Source: 2010 Census

Source: American Community Survey

Source: 2010 Census