sentences:  The average household size was 2.47 and the average family size was 3.05.In the city, the population was spread out with 27.8% under the age of 18, 11.5% from 18 to 24, 24.0% from 25 to 44, 21.9% from 45 to 64, and 14.8% who were 65 years of age or older.The median age was 34 years.