sentences:  The average household size was 1.91 and the average family size was 2.29.In the city, the population was spread out with 9.3% under the age of 18, 2.6% from 18 to 24, 10.2% from 25 to 44, 25.3% from 45 to 64, and 52.6% who were 65 years of age or older.The median age was 66 years.