 The average household size was 2.31 and the average family size was 3.06.The median age in the city was 46.4 years.20.8% of residents were under the age of 18; 8% were between the ages of 18 and 24; 16.8% were from 25 to 44; 38.4% were from 45 to 64; and 16% were 65 years of age or older.