QuickFacts

21.6%

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

23.1%

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

23.4%

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

Population per square mile in Philadelphia city, Pennsylvania is

11,379.5

35.0%

of persons 25 years+ in New York city, New York have a bachelor's degree or higher

The population of Illinois is

12,859,995

12.5%

of persons in Illinois are 65 years and over

The population of Los Angeles County, California is

10,116,705

17.3%

of persons in Florida are 65 years and over

21.6%

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

Source: 2010 Census

Source: American Community Survey

Source: Population Estimates

Source: 2010 Census

Source: Population Estimates

Source: 2010 Census