 The average household size was 2.53 and the average family size was 3.20.In the city the population was spread out with 30.7% under the age of 18, 6.2% from 18 to 24, 34.6% from 25 to 44, 17.0% from 45 to 64, and 11.5% who were 65 years of age or older.The median age was 33 years.