 The average household size was 2.31 and the average family size was 2.93.In the city the population was spread out with 27.2% under the age of 18, 9.1% from 18 to 24, 24.8% from 25 to 44, 20.0% from 45 to 64, and 18.9% who were 65 years of age or older.The median age was 36 years.