33.3 % people in the city were under the age of 18 , 12.2 % from 18 to 24 , 26.6 % from 25 to 44 , 17.6 % from 45 to 64 , and 10.3 % who were 65 years of age or older . In the city the population was spread out with 33.3 % under the age of 18 , 12.2 % from 18 to 24 , 26.6 % from 25 to 44 , 17.6 % from 45 to 64 , and 10.3 % who were 65 years of age or older .