 The average household size was 1.99 and the average family size was 2.77.In the city, the population was spread out with 19.0% under the age of 18, 9.5% from 18 to 24, 30.6% from 25 to 44, 22.7% from 45 to 64, and 18.2% who were 65 years of age or older.The median age was 39 years.