 The average household size was 2.48 and the average family size was 3.23.In the city, the population was spread out, with 28.2% under the age of 18, 8.2% from 18 to 24, 24.6% from 25 to 44, 18.6% from 45 to 64, and 20.4% who were 65 years of age or older.The median age was 36 years.