The 2020 census found 4,872 people in the township.

Located in the southwestern corner of the county along the Indiana line, it borders the following townships: The village of Hicksville is located in western Hicksville 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.

Three state highways travel through Hicksville Township, all of which meet in the village of Hicksville:[7] State Route 2, which travels from northeast to southwest