 The average household size was 2.31 and the average family size was 2.76.In the township the population was spread out, with 18.5% under the age of 18, 6.9% from 18 to 24, 18.9% from 25 to 44, 33.1% from 45 to 64, and 22.6% who were 65 years of age or older.The median age was 48.4 years.