QuickFacts

Population per square mile in Maricopa County, Arizona is

414.9

12.9%

of persons in North Carolina are 65 years and over

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

27,012.5

Population per square mile in Los Angeles County, California is

2,419.6

Median household income of Los Angeles County, California is

$56,196

12.1%

of persons in Philadelphia city, Pennsylvania are 65 years and over

11.4%

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

21.3%

of persons in Florida are under 18 years

Median household income of Florida is

$47,507

23.7%

of persons in Cook County, Illinois are under 18 years

Source: 2010 Census

Source: American Community Survey

Source: 2010 Census

Source: American Community Survey

Source: 2010 Census