 The average household size was 2.34 and the average family size was 2.78.In the township the population was spread out with 18.6% under the age of 18, 5.5% from 18 to 24, 22.1% from 25 to 44, 30.0% from 45 to 64, and 23.7% who were 65 years of age or older.The median age was 46 years.