sentences:  The average household size was 2.34 and the average family size was 2.65.In the city, the population was spread out with 20.3% under the age of 18, 5.1% from 18 to 24, 21.3% from 25 to 44, 26.6% from 45 to 64, and 26.8% who were 65 years of age or older.The median age was 48 years.