 The average household size was 3.40 and the average family size was 3.68.In the city, the population was spread out with 31.4% under the age of 18, 8.7% from 18 to 24, 24.5% from 25 to 44, 24.2% from 45 to 64, and 11.2% who were 65 years of age or older.The median age was 32.9 years.