As of the 2020 census, its population was 3,408 (down from 3,929 at 2010[3]) and it contained 552 housing units.

[4] The Putnamville Presbyterian Church was listed on the National Register of Historic Places in 1984.

[5] According to the 2010 census, the township has a total area of 29.02 square miles (75.2 km2), of which 28.98 square miles (75.1 km2) (or 99.86%) is land and 0.04 square miles (0.10 km2) (or 0.14%) is water.

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

This Putnam County, Indiana location article is a stub.