QuickFacts

The population of Cook County, Illinois is

5,238,216

Population per square mile in Los Angeles city, California is

8,092.3

Population per square mile in New York city, New York is

27,012.5

12.1%

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

Population per square mile in San Diego County, California is

735.8

13.5%

of persons in New York are 65 years and over

28.4%

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

25.0%

of persons in California are under 18 years

25.7%

of persons in Georgia are under 18 years

Population per square mile in California is

239.1

Source: Population Estimates

Source: 2010 Census

Source: American Community Survey

Source: 2010 Census