 The average household size was 2.20 and the average family size was 2.81.In the city, the population was spread out with 21.3% under the age of 18, 7.2% from 18 to 24, 21.6% from 25 to 44, 22.2% from 45 to 64, and 27.7% who were 65 years of age or older.The median age was 45 years.