 The average household size was 2.73 and the average family size was 3.29.In the city, the population was spread out, with 29.3% under the age of 18, 7.4% from 15 to 19, 7.0% from 40 to 44, 5.3% from 60 to 64, and 13.7% who were 65 years of age or older.The median age was 36.9 years.