QuickFacts

25.0%

of persons in California are under 18 years

23.7%

of persons in Michigan are under 18 years

21.6%

of persons in New York city, New York are under 18 years

Population per square mile in Los Angeles County, California is

2,419.6

Median household income of Los Angeles County, California is

$56,196

The population of Florida is

20,612,439

Population per square mile in Maricopa County, Arizona is

414.9

12.9%

of persons in North Carolina are 65 years and over

24.4%

of persons in Illinois are under 18 years

11.4%

of persons in San Diego County, California are 65 years and over

Source: 2010 Census

Source: American Community Survey

Source: Population Estimates

Source: 2010 Census