QuickFacts

24.4%

of persons in Illinois are under 18 years

26.4%

of persons in Maricopa County, Arizona are under 18 years

23.7%

of persons in Cook County, Illinois are under 18 years

The population of California is

39,250,017

30.4%

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

13.5%

of persons in New York are 65 years and over

The population of North Carolina is

10,146,788

23.4%

of persons in San Diego County, California are under 18 years

Population per square mile in Los Angeles County, California is

2,419.6

23.9%

of persons in North Carolina are under 18 years

Source: 2010 Census

Source: Population Estimates

Source: American Community Survey

Source: 2010 Census

Source: Population Estimates

Source: 2010 Census