 The average household size was 3.26 and the average family size was 3.67.In the city, the population was spread out with 39.0% under the age of 18, 10.5% from 18 to 24, 26.7% from 25 to 44, 14.7% from 45 to 64, and 9.1% who were 65 years of age or older.The median age was 25 years.