QuickFacts

Population per square mile in Illinois is

231.1

Population per square mile in Philadelphia city, Pennsylvania is

11,379.5

12.9%

of persons in North Carolina are 65 years and over

31.0%

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

The population of Pennsylvania is

12,802,503

Population per square mile in Illinois is

231.1

25.6%

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

The population of Maricopa County, Arizona is

4,087,191

The population of Philadelphia city, Pennsylvania is

1,560,297

The population of Illinois is

12,859,995

Source: 2010 Census

Source: American Community Survey

Source: Population Estimates

Source: 2010 Census

Source: American Community Survey

Source: Population Estimates