 The average household size was 2.15 and the average family size was 2.56.In the township the population was spread out, with 13.4% under the age of 18, 4.9% from 18 to 24, 19.1% from 25 to 44, 38.6% from 45 to 64, and 24.0% who were 65 years of age or older.The median age was 51 years.