The city of Iron Junction is located within Clinton Township geographically but is a separate entity.

The unincorporated communities of Keenan, Ramshaw, and Wolf are located within the township.

The unincorporated community of Forbes also extends into the southern portion of Clinton Township.

The unincorporated community of Peary is located at the southeast corner of the township.

The East Two River and Elbow Creek both flow through Clinton Township.