 The average household size was 2.57 and the average family size was 2.99.In the township the population was spread out, with 24.9% under the age of 18, 5.5% from 18 to 24, 28.0% from 25 to 44, 25.8% from 45 to 64, and 15.8% who were 65 years of age or older.The median age was 40 years.