 The average household size was 2.74 and the average family size was 3.27.In the city, the population was spread out with 32.4% under the age of 18, 9.8% from 18 to 24, 31.1% from 25 to 44, 17.2% from 45 to 64, and 9.4% who were 65 years of age or older.The median age was 32 years.