 The average household size was 3.53 and the average family size was 3.94.In the city, the population was spread out with 39.4% under the age of 18, 12.3% from 18 to 24, 24.7% from 25 to 44, 14.5% from 45 to 64, and 9.1% who were 65 years of age or older.The median age was 24 years.