The 2020 census found 6,852 people in the township.

[3] Located in the northwestern corner of the county, it borders the following townships: The city of Nelsonville is located in northern York Township, and the village of Buchtel is located in the northeast corner 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.

The residents of York Township are served by the Nelsonville-York City School District and Nelsonville-York High School.