QuickFacts

Population per square mile in Cook County, Illinois is

5,495.1

The population of Maricopa County, Arizona is

4,087,191

29.0%

of persons 25 years+ in Harris County, Texas have a bachelor's degree or higher

Population per square mile in Illinois is

231.1

13.5%

of persons in New York are 65 years and over

25.7%

of persons in Georgia are under 18 years

30.0%

of persons 25 years+ in Maricopa County, Arizona have a bachelor's degree or higher

12.5%

of persons in Illinois are 65 years and over

25.0%

of persons in California are under 18 years

10.9%

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

Source: 2010 Census

Source: Population Estimates

Source: American Community Survey

Source: 2010 Census

Source: American Community Survey

Source: 2010 Census