 The average household size was 3.72 and the average family size was 3.97.In the city, the population was spread out with 37.0% under the age of 18, 11.4% from 18 to 24, 27.1% from 25 to 44, 19.0% from 45 to 64, and 5.4% who were 65 years of age or older.The median age was 26 years.