 The average household size was 4.55 and the average family size was 4.72.In the city, the population was spread out, with 34.2% under the age of 18, 12.8% from 18 to 24, 34.1% from 25 to 44, 13.5% from 45 to 64, and 5.5% who were 65 years of age or older.The median age was 26 years.