 The average household size was 2.15 and the average family size was 2.89.In the city, the population was spread out with 20.6% under the age of 18, 7.1% from 18 to 24, 26.2% from 25 to 44, 21.8% from 45 to 64, and 24.4% who were 65 years of age or older.The median age was 43 years.