 The average household size was 2.89 and the average family size was 3.27.In the city, the population was spread out with 33.3% under the age of 18, 13.1% from 18 to 24, 25.1% from 25 to 44, 19.9% from 45 to 64, and 8.7% who were 65 years of age or older.The median age was 28 years.