QuickFacts

The population of Maricopa County, Arizona is

4,167,947

Population per square mile in Georgia is

168.4

22.0%

of persons in Pennsylvania are under 18 years

11.9%

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

Population per square mile in Philadelphia city, Pennsylvania is

11,379.5

15.4%

of persons in Pennsylvania are 65 years and over

Median household income of North Carolina is

$46,868

The population of Chicago city, Illinois is

2,720,546

30.3%

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

17.3%

of persons in Florida are 65 years and over

Source: Population Estimates

Source: 2010 Census

Source: American Community Survey

Source: Population Estimates

Source: American Community Survey

Source: 2010 Census