 The average household size was 2.15 and the average family size was 2.85.In the borough the population was spread out with 10.7% under the age of 18, 42.2% from 18 to 24, 17.3% from 25 to 44, 15.5% from 45 to 64, and 14.3% who were 65 years of age or older.The median age was 24 years.