The Portage River runs close to the northern border of the township.

The entire township is part of the Grand River watershed.

As of the census[1] of 2000, there were 13,459 people, 5,240 households, and 3,825 families residing in the township.

There were 5,568 housing units at an average density of 113.4 per square mile (43.8/km2).

21.8% of all households were made up of individuals, and 8.7% had someone living alone who was 65 years of age or older.