QuickFacts

23.9%

of persons in North Carolina are under 18 years

12.1%

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

25.0%

of persons in California are under 18 years

Population per square mile in Los Angeles County, California is

2,419.6

The population of Cook County, Illinois is

5,238,216

Population per square mile in New York is

411.2

Population per square mile in San Diego County, California is

735.8

23.7%

of persons in Cook County, Illinois are under 18 years

Median household income of North Carolina is

$46,868

The population of California is

39,250,017

Source: 2010 Census

Source: Population Estimates

Source: 2010 Census

Source: American Community Survey

Source: Population Estimates