QuickFacts

24.4%

of persons in Illinois are under 18 years

22.5%

of persons in Philadelphia city, Pennsylvania are under 18 years

Median household income of Los Angeles city, California is

$50,205

13.8%

of persons in Michigan are 65 years and over

The population of Illinois is

12,801,539

Population per square mile in Maricopa County, Arizona is

414.9

12.1%

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

Median household income of Los Angeles city, California is

$50,205

12.1%

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

22.5%

of persons in Philadelphia city, Pennsylvania are under 18 years

Source: 2010 Census

Source: American Community Survey

Source: 2010 Census

Source: Population Estimates

Source: 2010 Census

Source: American Community Survey

Source: 2010 Census