QuickFacts

Population per square mile in Los Angeles County, California is

2,419.6

Population per square mile in Chicago city, Illinois is

11,841.8

Population per square mile in Ohio is

282.3

23.9%

of persons in North Carolina are under 18 years

22.5%

of persons in Philadelphia city, Pennsylvania are under 18 years

24.4%

of persons in Illinois are under 18 years

The population of Los Angeles city, California is

3,971,883

21.3%

of persons in Florida are under 18 years

25.9%

of persons in Houston city, Texas are under 18 years

Population per square mile in San Diego County, California is

735.8

Source: 2010 Census

Source: Population Estimates

Source: 2010 Census