 The average household size was 2.11 and the average family size was 2.65.In the city, the population was spread out with 11.9% under the age of 18, 6.0% from 18 to 24, 18.0% from 25 to 44, 41.3% from 45 to 64, and 22.8% who were 65 years of age or older.The median age was 53.2 years.