 The average household size was 2.42 and the average family size was 2.88.The median age in the city was 48.7 years.20.4% of residents were under the age of 18; 5.7% were between the ages of 18 and 24; 17.8% were from 25 to 44; 35% were from 45 to 64; and 21.2% were 65 years of age or older.