 The average household size was 2.52 and the average family size was 2.79.In the city, the population was spread out, with 22.4% under the age of 18, 8.6% from 18 to 24, 20.7% from 25 to 44, 31.0% from 45 to 64, and 17.2% who were 65 years of age or older.The median age was 44 years.