[3] Located on the southern edge of the county, it borders the following townships: No municipalities are located in Colebrook Township.

[4] The first settler in the township was Joel Blakeslee, who arrived from New York in 1819.

[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.

Currently, the board is composed of chairman James Vins, Jr. and members Ron Chutas and Joseph Yuhasz.