QuickFacts

23.9%

of persons in North Carolina are under 18 years

Population per square mile in Florida is

350.6

The population of California is

39,250,017

Population per square mile in San Diego County, California is

735.8

35.8%

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

Population per square mile in San Diego County, California is

735.8

12.1%

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

The population of New York is

19,745,289

The population of Maricopa County, Arizona is

4,167,947

The population of Illinois is

12,801,539

Source: 2010 Census

Source: Population Estimates

Source: 2010 Census

Source: American Community Survey

Source: 2010 Census

Source: Population Estimates