 The average household size was 2.73 and the average family size was 3.18.In the city, the population was spread out with 27.3% under the age of 18, 11.7% from 18 to 24, 25.2% from 25 to 44, 20.1% from 45 to 64, and 15.8% who were 65 years of age or older.The median age was 34 years.