[3] The village of Three Oaks is the only incorporated community within the township.
The South Branch Galien River flows through the western part of the township.
[4] At the 2000 census there were 2,949 people, 1,181 households, and 816 families in the township.
There were 1,284 housing units at an average density of 54.9 per square mile (21.2/km2).
[1] Of the 1,181 households, 31.6% had children under the age of 18 living with them, 53.6% were married couples living together, 11.1% had a female householder with no husband present, and 30.9% were non-families.