According to the 2021 census gazetteer files, Western Township has a total area of 35.48 square miles (91.89 km2), all land.

[2] (This list is based on USGS data and may include former settlements.)

As of the 2020 census[1] there were 2,974 people, 1,129 households, and 805 families residing in the township.

There were 1,247 housing units at an average density of 35.15 per square mile (13.57/km2).

24.70% of all households were made up of individuals, and 12.20% had someone living alone who was 65 years of age or older.