 The average household size was 2.24 and the average family size was 2.87.In the city, the population was spread out with 23.4% under the age of 18, 8.4% from 18 to 24, 25.5% from 25 to 44, 21.4% from 45 to 64, and 21.3% who were 65 years of age or older.The median age was 40 years.