Located in the northeastern corner of the county along the Ohio River, it borders the following townships: Hancock County, West Virginia lies across the Ohio River to the east.

Two villages are located in Saline Township: Irondale in the northwest and part of Stratton in the southeast along the Ohio River.

In addition, the unincorporated community of Hammondsville lies in the center of the township.

[5] The township is governed by a three-member board of trustees, who are elected in November of odd-numbered years to a four-year term beginning on the following January 1.

There is also an elected township fiscal officer,[6] who serves a four-year term beginning on April 1 of the year after the election, which is held in November of the year before the presidential election.