[6] As of the census[2] of 2000, there were 2,022 people, 762 households, and 550 families residing in the township.

There were 852 housing units at an average density of 25.0 per square mile (9.7/km2).

The racial makeup of the township was 97.03% White, 0.10% African American, 1.29% Native American, 0.05% Asian, 0.05% Pacific Islander, 0.20% from other races, and 1.29% from two or more races.

23.0% of all households were made up of individuals, and 6.8% had someone living alone who was 65 years of age or older.

Wilson Township is served by two separate public school districts.