
How much of the total population are people under 18 years of age
There's an estimated 2,544,409 teens below 18 are living in Los Angeles in 2008 using the 2000 census. There's about a 25.8% of the total population are under 18 years of age.
Special information like the age are updated annually and usually estimated from the date of birth information of the person.
http://quickfacts.census.gov/qfd/meta/long_AGE295208.htm
With the numerous numbers of attractions which are best for kids which are the main reason of the huge number of kids' population, Los Angeles could be called the real Never Land.

