 The average household size was 2.79 and the average family size was 3.17.In the city the population was spread out, with 29.1% under the age of 18, 5.4% from 18 to 24, 30.6% from 25 to 44, 26.7% from 45 to 64, and 8.3% who were 65 years of age or older.The median age was 37 years.