As of the census[5] of 2000, there were 8,578 people, 3,075 households, and 2,398 families living in the township.
The population density was 180.5 inhabitants per square mile (69.7/km2). There were 3,185 housing units at an average density of 67.0 units per square mile (25.9 units/km2).
There were 3,075 households, out of which 35.0% had children who under the age of eighteen living with them; 70.5% were married couples living together, 4.7% had a female householder with no husband present, and 22.0% were non-families. 18.6% of all households were made up of individuals, and 7.0% had someone living alone who was sixty-five years of age or older.
The average household size was 2.76 and the average family size was 3.17.
Within the township, the population was spread out, with 27.1% of residents who were under the age of eighteen, 7.5% from 18 to 24, 28.1% who were aged twenty-five to sixty-four, 25.6% who were aged forty-five to sixty-four, and 11.7% who were sixty-five years of age or older. The median age was thirty-eight years.
For every one hundred females, there were 103.0 males. For every one hundred females who were aged eighteen or older, there were 98.4 males.
The median income for a household in the township was $50,063, and the median income for a family was $55,625. Males had a median income of $36,935 compared with that $25,402 for females.
Approximately 3.0% of families and 4.1% of the population were living below the poverty line, including 2.9% of those who were under the age of eighteen and 6.4% of those who were aged sixty-five or older.