 The average household size was 2.47 and the average family size was 2.97.In the city the population was spread out with 26.8% under the age of 18, 7.8% from 18 to 24, 29.9% from 25 to 44, 20.5% from 45 to 64, and 15.0% who were 65 years of age or older.The median age was 36 years.