He was elected to council in 1966, and served four years as deputy reeve.
He was elected deputy reeve of Pickering in 1969, and became the city's first mayor four years later.
He served as deputy Reeve and chair of the executive committee.
He served on the township council for Townsend, also serving as deputy reeve.
He served several years as deputy reeve for Townsend.
He served as deputy reeve for the township from 1885 to 1886.
Mitchell was elected as deputy reeve of Selwyn in the 2010 municipal elections.
He served as deputy reeve for North Gower in 1877 and 1878.
He first ran for deputy reeve of Forest Hill Village council in 1935.
He served on the Midland council in the 1970s and was at one time its deputy reeve.