 The average household size was 2.23 and the average family size was 2.73.In the township the population was spread out, with 19.8% under the age of 18, 4.2% from 18 to 24, 24.0% from 25 to 44, 30.1% from 45 to 64, and 21.9% who were 65 years of age or older.The median age was 46 years.