As of the 2020 census, its population was 52 (up from 30 at 2010[3]) and it contained 22 housing units.

This area is occasionally referred to as the "Tail of Gibson County", owing to its shape and position within the county.

Nevertheless, the township is a panhandle of Gibson County, bordered by the Wabash River to the north, northwest, west, and in some parts, east, even southeast, and by Posey County to the south.

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

Gibson County Posey County Wabash County, IL White County, IL Wabash Township is served by the South Gibson School Corporation, although optional attendance is available for the MSD of North Posey.