 The average household size was 3.22 and the average family size was 3.79.In the city, the population was spread out with 37.9% under the age of 18, 4.9% from 18 to 24, 26.2% from 25 to 44, 24.3% from 45 to 64, and 6.8% who were 65 years of age or older.The median age was 32 years.