QuickFacts

The population of Los Angeles city, California is

3,928,864

12.1%

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

12.1%

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

Population per square mile in Chicago city, Illinois is

11,841.8

12.5%

of persons in Illinois are 65 years and over

10.9%

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

Population per square mile in San Diego County, California is

735.8

12.5%

of persons in Illinois are 65 years and over

23.7%

of persons in Ohio are under 18 years

23.1%

of persons in Chicago city, Illinois are under 18 years

Source: Population Estimates

Source: 2010 Census