 The average household size was 3.09 and the average family size was 3.33.In the city, the population was spread out with 33.5% under the age of 18, 5.6% from 18 to 24, 36.9% from 25 to 44, 18.8% from 45 to 64, and 5.2% who were 65 years of age or older.The median age was 33 years.