QuickFacts

Population per square mile in Los Angeles County, California is

2,419.6

Population per square mile in Cook County, Illinois is

5,495.1

Population per square mile in North Carolina is

196.1

26.4%

of persons in Maricopa County, Arizona are under 18 years

23.4%

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

25.4%

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

12.5%

of persons in Illinois are 65 years and over

28.8%

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

Median household income of Philadelphia city, Pennsylvania is

$38,253

In Cook County, Illinois

61.0%

of females 16 years+ are in the civilian labor force

Source: 2010 Census

Source: American Community Survey

Source: 2010 Census

Source: American Community Survey