QuickFacts

23.7%

of persons in Cook County, Illinois are under 18 years

Median household income of Los Angeles city, California is

$50,205

11.4%

of persons in California are 65 years and over

Population per square mile in Illinois is

231.1

Median household income of Philadelphia city, Pennsylvania is

$38,253

22.3%

of persons in New York are under 18 years

13.5%

of persons in New York are 65 years and over

The population of Pennsylvania is

12,784,227

10.3%

of persons in Texas are 65 years and over

24.4%

of persons in Illinois are under 18 years

Source: 2010 Census

Source: American Community Survey

Source: 2010 Census

Source: American Community Survey

Source: 2010 Census

Source: Population Estimates

Source: 2010 Census