QuickFacts

Population per square mile in Pennsylvania is

283.9

Median household income of Pennsylvania is

$53,599

The population of Los Angeles County, California is

10,170,292

Median household income of Cook County, Illinois is

$55,251

10.5%

of persons in Los Angeles city, California are 65 years and over

The population of Philadelphia city, Pennsylvania is

1,567,442

23.4%

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

12.1%

of persons in New York city, New York are 65 years and over

24.5%

of persons in Los Angeles County, California are under 18 years

23.1%

of persons in Chicago city, Illinois are under 18 years

Source: 2010 Census

Source: American Community Survey

Source: Population Estimates

Source: American Community Survey

Source: 2010 Census

Source: Population Estimates

Source: 2010 Census