QuickFacts

12.1%

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

Population per square mile in Illinois is

231.1

Population per square mile in Philadelphia city, Pennsylvania is

11,379.5

Population per square mile in Ohio is

282.3

13.8%

of persons in Michigan are 65 years and over

The population of Maricopa County, Arizona is

4,167,947

The population of San Diego County, California is

3,299,521

25.4%

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

35.6%

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

34.2%

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

Source: 2010 Census

Source: Population Estimates

Source: American Community Survey