 The average household size was 2.98 and the average family size was 3.42.In the city, the population was spread out with 28.1% under the age of 18, 13.9% from 18 to 24, 33.6% from 25 to 44, 16.0% from 45 to 64, and 8.7% who were 65 years of age or older.The median age was 29 years.