QuickFacts

Population per square mile in Cook County, Illinois is

5,495.1

The population of Maricopa County, Arizona is

4,167,947

The population of Florida is

20,612,439

22.0%

of persons in Pennsylvania are under 18 years

10.9%

of persons in Los Angeles County, California are 65 years and over

17.3%

of persons in Florida are 65 years and over

In Cook County, Illinois

61.0%

of females 16 years+ are in the civilian labor force

30.3%

of persons 25 years+ in Los Angeles County, California have a bachelor's degree or higher

28.0%

of persons in Harris County, Texas are under 18 years

The population of Michigan is

9,928,300

Source: 2010 Census

Source: Population Estimates

Source: 2010 Census

Source: American Community Survey

Source: 2010 Census

Source: Population Estimates