sentences:  The average household size was 2.32, and the average family size was 2.88.In the city, the population was spread out, with 23.3% under the age of 18, 8.9% from 18 to 24, 25.9% from 25 to 44, 22.0% from 45 to 64, and 19.9% who were 65 years of age or older.The median age was 39 years.