QuickFacts

10.5%

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

23.4%

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

Median household income of California is

$61,818

Population per square mile in Los Angeles County, California is

2,419.6

24.4%

of persons in Illinois are under 18 years

22.5%

of persons in Philadelphia city, Pennsylvania are under 18 years

21.6%

of persons in New York city, New York are under 18 years

Population per square mile in Pennsylvania is

283.9

21.6%

of persons in New York city, New York are under 18 years

23.1%

of persons in Chicago city, Illinois are under 18 years

Source: 2010 Census

Source: American Community Survey

Source: 2010 Census