The city of Cass Lake is located entirely within Pike Bay Township geographically but is a separate entity.
As of the census[1] of 2000, there were 1,643 people, 528 households, and 400 families residing in the township.
There were 724 housing units at an average density of 32.4 per square mile (12.5/km2).
There were 528 households, out of which 41.9% had children under the age of 18 living with them, 37.3% were married couples living together, 27.8% had a female householder with no husband present, and 24.1% were non-families.
19.3% of all households were made up of individuals, and 6.4% had someone living alone who was 65 years of age or older.