[3] The township is named after the Nottawaseppi Huron Band of Potawatomi.

As of the census[1] of 2000, there were 3,999 people, 1,325 households, and 1,004 families residing in the township.

There were 1,521 housing units at an average density of 42.5 per square mile (16.4/km2).

There were 1,325 households, out of which 36.6% had children under the age of 18 living with them, 62.6% were married couples living together, 9.4% had a female householder with no husband present, and 24.2% were non-families.

20.2% of all households were made up of individuals, and 8.8% had someone living alone who was 65 years of age or older.