sentences:  The average household size was 2.31 and the average family size was 2.95.In the city, the population dispersal was 23.6% under the age of 18, 8.5% from 18 to 24, 26.0% from 25 to 44, 20.3% from 45 to 64, and 21.5% who were 65 years of age or older.The median age was 39 years.