 The average household size was 2.45 and the average family size was 3.01.In the city, the population was spread out with 21.5% under the age of 18, 22.1% from 18 to 24, 31.5% from 25 to 44, 17.0% from 45 to 64, and 7.9% who were 65 years of age or older.The median age was 28 years.