 The average household size was 2.45 and the average family size was 2.77.In the city, the population was spread out, with 20.4% under the age of 18, 6.1% from 18 to 24, 34.7% from 25 to 44, 28.6% from 45 to 64, and 10.2% who were 65 years of age or older.The median age was 42 years.