sentences:  The average household size was 2.20, and the average family size was 2.82.In the city, the population was spread out with 21.4% under the age of 18, 13.7% from 18 to 24, 25.7% from 25 to 44, 21.7% from 45 to 64, and 17.5% who were 65 years of age or older.The median age was 37 years.