 The average household size was 2.40 and the average family size was 3.17.In the city, the population was spread out with 29.4% under the age of 18, 5.7% from 18 to 24, 23.1% from 25 to 44, 19.8% from 45 to 64, and 22.0% who were 65 years of age or older.The median age was 39 years.