 The average household size was 2.73 and the average family size was 3.50.In the city, the population was spread out with 33.0% under the age of 18, 4.5% from 18 to 24, 26.8% from 25 to 44, 18.8% from 45 to 64, and 17.0% who were 65 years of age or older.The median age was 39 years.