According to the 2021 census gazetteer files, Stockland Township has a total area of 53.51 square miles (138.59 km2), all land.

The township contains Sugar Creek Chapel Cemetery.

As of the 2020 census[1] there were 216 people, 81 households, and 61 families residing in the township.

There were 103 housing units at an average density of 1.92 per square mile (0.74/km2).

24.70% of all households were made up of individuals, and 13.60% had someone living alone who was 65 years of age or older.