 The average household size was 1.86 and the average family size was 2.51.The median age in the city was 57 years.14% of residents were under the age of 18; 3.4% were between the ages of 18 and 24; 14.4% were from 25 to 44; 39.8% were from 45 to 64; and 28.4% were 65 years of age or older.