Maine
Persons under age 5: 5.5%
Persons 5-9: 6.5%
Persons 10-14: 7.2%
Persons 15-19: 7%
Persons 20-24: 5.5%
http://www.infoplease.com/us/census/data/maine/demographic.html
I meant the Somali population within those numbers. My guess is that they are a far higher percentage of population under ten.