 The average household size was 2.47 and the average family size was 2.91.In the township the population was spread out, with 21.3% under the age of 18, 6.8% from 18 to 24, 24.5% from 25 to 44, 28.0% from 45 to 64, and 19.2% who were 65 years of age or older.The median age was 43 years.