The Caberfae Peaks Ski & Golf Resort is located within South Branch Township.

As of the census[1] of 2000, there were 330 people, 148 households, and 92 families residing in the township.

There were 429 housing units at an average density of 11.9 per square mile (4.6/km2).

There were 148 households, out of which 22.3% had children under the age of 18 living with them, 54.7% were married couples living together, 6.1% had a female householder with no husband present, and 37.8% were non-families.

32.4% of all households were made up of individuals, and 11.5% had someone living alone who was 65 years of age or older.