 The average household size was 2.27 and the average family size was 2.88.In the city, the population was spread out with 23.2% under the age of 18, 7.5% from 18 to 24, 25.8% from 25 to 44, 22.2% from 45 to 64, and 21.3% who were 65 years of age or older.The median age was 41 years.