QuickFacts

Population per square mile in Maricopa County, Arizona is

414.9

23.4%

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

Population per square mile in Philadelphia city, Pennsylvania is

11,379.5

Population per square mile in Los Angeles city, California is

8,092.3

Median household income of Los Angeles County, California is

$56,196

The population of Pennsylvania is

12,784,227

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

27,012.5

11.4%

of persons in California are 65 years and over

In Florida

54.7%

of females 16 years+ are in the civilian labor force

In New York city, New York

58.4%

of females 16 years+ are in the civilian labor force

Source: 2010 Census

Source: American Community Survey

Source: Population Estimates

Source: 2010 Census

Source: American Community Survey