As of the 2020 census, its population was 1,921 (slightly up from 1,916 at 2010[3]) and it contained 867 housing units.

[4] Harrison Township was founded in 1801.

It was named for General William Henry Harrison, an American military officer and ninth President of the United States.

[6] According to the 2010 census, the township has a total area of 80.36 square miles (208.1 km2), of which 79.11 square miles (204.9 km2) (or 98.44%) is land and 1.25 square miles (3.2 km2) (or 1.56%) is water.

This Knox County, Indiana location article is a stub.