 The average household size was 2.76 and the average family size was 3.15.In the city, the population was spread out, with 30.5% under the age of 18, 8.6% from 18 to 24, 30.5% from 25 to 44, 20.9% from 45 to 64, and 9.5% who were 65 years of age or older.The median age was 33 years.