QuickFacts

The population of Maricopa County, Arizona is

4,167,947

11.4%

of persons in California are 65 years and over

12.1%

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

24.4%

of persons in Illinois are under 18 years

12.9%

of persons in North Carolina are 65 years and over

The population of Illinois is

12,801,539

The population of Chicago city, Illinois is

2,720,546

The population of Ohio is

11,614,373

Population per square mile in Cook County, Illinois is

5,495.1

27.3%

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

Source: Population Estimates

Source: 2010 Census

Source: Population Estimates

Source: 2010 Census

Source: American Community Survey