 The average household size was 2.31 and the average family size was 2.89.In the city the population was spread out with 21.3% under the age of 18, 9.8% from 18 to 24, 21.7% from 25 to 44, 22.3% from 45 to 64, and 24.9% who were 65 years of age or older.The median age was 42 years.