 The average household size was 2.33 and the average family size was 3.18.In the city, the population was spread out, with 29.5% under the age of 18, 9.7% from 18 to 24, 31.1% from 25 to 44, 21.3% from 45 to 64, and 8.5% who were 65 years of age or older.The median age was 33 years.