 The average household size was 2.29 and the average family size was 2.89.In the city, the population was spread out, with 22.1% under the age of 18, 7.4% from 18 to 24, 28.4% from 25 to 44, 22.2% from 45 to 64, and 20.0% who were 65 years of age or older.The median age was 40 years.