 The average household size was 2.39 and the average family size was 2.97.In the city, the population was spread out, with 22.6% under the age of 18, 21.4% from 18 to 24, 23.8% from 25 to 44, 19.9% from 45 to 64, and 12.4% who were 65 years of age or older.The median age was 29.1 years.