 The average household size was 2.31 and the average family size was 2.99.In the city, the population was spread out with 22.5% under the age of 18, 9.7% from 18 to 24, 25.0% from 25 to 44, 26.1% from 45 to 64, and 16.8% who were 65 years of age or older.The median age was 39.3 years.