QuickFacts

22.0%

of persons in Pennsylvania are under 18 years

The population of Maricopa County, Arizona is

4,167,947

Population per square mile in Cook County, Illinois is

5,495.1

Median household income of Los Angeles County, California is

$56,196

15.4%

of persons in Pennsylvania are 65 years and over

The population of Maricopa County, Arizona is

4,167,947

Median household income of Los Angeles city, California is

$50,205

Median household income of Chicago city, Illinois is

$48,522

15.4%

of persons in Pennsylvania are 65 years and over

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

27,012.5

Source: 2010 Census

Source: Population Estimates

Source: 2010 Census

Source: American Community Survey

Source: 2010 Census

Source: Population Estimates

Source: American Community Survey

Source: 2010 Census