QuickFacts

Population per square mile in Maricopa County, Arizona is

414.9

11.9%

of persons in Cook County, Illinois are 65 years and over

25.4%

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

The population of Pennsylvania is

12,784,227

The population of Houston city, Texas is

2,296,224

21.3%

of persons in Florida are under 18 years

11.4%

of persons in San Diego County, California are 65 years and over

23.7%

of persons in Michigan are under 18 years

23.1%

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

In Cook County, Illinois

61.0%

of females 16 years+ are in the civilian labor force

Source: 2010 Census

Source: American Community Survey

Source: Population Estimates

Source: 2010 Census

Source: American Community Survey