There were 2,246 residents of the township at the time of the 2020 census.[4] Part of the city of Fostoria is located in northwestern Loudon Township.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.The township employs an elected township fiscal officer[5] 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.Vacancies in the fiscal officership or on the board of trustees are filled by the remaining trustees.