 The average household size was 2.51 and the average family size was 3.00.In the city, the population was spread out with 28.1% under the age of 18, 6.5% from 18 to 24, 25.5% from 25 to 44, 24.2% from 45 to 64, and 15.7% who were 65 years of age or older.The median age was 39 years.