 The average household size was 2.15 and the average family size was 2.74.In the city, the population was spread out with 19.2% under the age of 18, 6.6% from 18 to 24, 18.3% from 25 to 44, 21.7% from 45 to 64, and 34.1% who were 65 years of age or older.The median age was 50 years.