This township took its name from the north branch of the Sunrise River.

As of the census[1] of 2000, there were 1,654 people, 597 households, and 475 families residing in the township.

There were 616 housing units at an average density of 17.8/sq mi (6.9/km2).

There were 597 households, out of which 36.7% had children under the age of 18 living with them, 68.0% were married couples living together, 6.4% had a female householder with no husband present, and 20.3% were non-families.

15.2% of all households were made up of individuals, and 5.4% had someone living alone who was 65 years of age or older.