Fall Creek is located along Interstate 172 southwest of Payson.

[3] A post office called Falls Creek was established in 1861, and closed in 1866.

According to the 2021 census gazetteer files, Fall Creek has a total area of 0.06 square miles (0.16 km2), all land.

[5] Fall Creek first appeared as a census designated place in the 2020 U.S.

This Adams County, Illinois location article is a stub.