 The average household size was 2.05 and the average family size was 2.80.In the city, the population was spread out with 21.8% under the age of 18, 5.4% from 18 to 24, 22.5% from 25 to 44, 20.8% from 45 to 64, and 29.5% who were 65 years of age or older.The median age was 45 years.