 The average household size was 2.55 and the average family size was 2.90.In the township the population was spread out, with 24.1% under the age of 18, 6.6% from 18 to 24, 25.9% from 25 to 44, 29.9% from 45 to 64, and 13.4% who were 65 years of age or older.The median age was 40 years.