Limestone Township is located in Peoria County, Illinois.

As of the 2020 census, its population was 18,357 and it contained 8,111 housing units.

[2] For the census year of 2010, its population was 19,705 and it contained 8,103 housing units.

[3] Limestone Township was named from the abundance of limestone and attendant lime kilns in the area.

This Peoria County, Illinois location article is a stub.