 The average household size was 2.10 and the average family size was 2.57.In the township the population was spread out, with 13.0% under the age of 18, 4.6% from 18 to 24, 18.0% from 25 to 44, 35.5% from 45 to 64, and 28.9% who were 65 years of age or older.The median age was 54 years.