 The average household size was 1.84 and the average family size was 2.45.In the township the population was spread out, with 9.0% under the age of 18, 5.5% from 18 to 24, 17.9% from 25 to 44, 34.5% from 45 to 64, and 33.1% who were 65 years of age or older.The median age was 57 years.