 The average household size was 2.01 and the average family size was 2.54.In the city, the population was distributed as 13.9% under the age of 18, 3.6% from 20 to 24, 17.9% from 25 to 44, 31.3% from 45 to 64, and 31.6% who were 65 years of age or older.The median age was 54.3 years.