 The average household size was 2.22 and the average family size was 2.87.In the city, the population was spread out, with 23.2% under the age of 18, 7.6% from 18 to 24, 26.7% from 25 to 44, 24.6% from 45 to 64, and 17.9% who were 65 years of age or older.The median age was 40 years.