As of the 2020 census there were 1,477 people living in the township.

Located in the northeastern part of the county, it borders the following townships: The village of New Washington is located in northwestern Cranberry Township.

It was named from a cranberry marsh in the southwestern part.

[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.