Campbellstown (also Florence, Florence Station) is an unincorporated community in Jackson Township, Preble County, Ohio United States.

[1] Campbellstown was originally called Florence Station, and under the latter name was laid out in 1852 when the railroad was extended to that point.

[2] The present name honors a pioneer settler with the surname Campbell.

[3] A post office called Campbellstown was established in 1854, and remained in operation until 1954.

This Preble County, Ohio state location article is a stub.