 The average household size was 2.37 and the average family size was 2.67.In the township the population was spread out, with 13.3% under the age of 18, 20.0% from 18 to 24, 28.9% from 25 to 44, 31.1% from 45 to 64, and 6.7% who were 65 years of age or older.The median age was 38 years.