 The average household size was 1.97 and the average family size was 2.76.In the city, the population was spread out, with 16.5% under the age of 18, 10.1% from 18 to 24, 34.0% from 25 to 44, 30.9% from 45 to 64, and 8.5% who were 65 years of age or older.The median age was 39 years.