Forrest Township is located in Livingston County, Illinois.

As of the 2010 census, its population was 1,605 and it contained 627 housing units.

The name was changed to Forrest Township in 1865.

[3] According to the 2010 census, the township has a total area of 36.36 square miles (94.2 km2), all land.

This Livingston County, Illinois location article is a stub.