QuickFacts

Population per square mile in Pennsylvania is

283.9

12.1%

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

23.4%

of persons in San Diego County, California are under 18 years

12.1%

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

In Chicago city, Illinois

61.9%

of females 16 years+ are in the civilian labor force

23.1%

of persons in Chicago city, Illinois are under 18 years

25.0%

of persons in California are under 18 years

Population per square mile in Illinois is

231.1

The population of Maricopa County, Arizona is

4,167,947

26.1%

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

Source: 2010 Census

Source: American Community Survey

Source: 2010 Census

Source: Population Estimates

Source: American Community Survey