The northwest quarter of the city of Barnum is located within Skelton Township geographically but is a separate entity.

As of the census[1] of 2000, there were 372 people, 128 households, and 107 families residing in the township.

The racial makeup of the township was 99.46% White and 0.54% Native American.

There were 128 households, out of which 39.1% had children under the age of 18 living with them, 74.2% were married couples living together, 3.1% had a female householder with no husband present, and 16.4% were non-families.

14.8% of all households were made up of individuals, and 9.4% had someone living alone who was 65 years of age or older.