A 2015 review of local government boundaries recommended that the Tumut Shire merge with the Tumbarumba Shire to form a new council with an area of 8,960 square kilometres (3,460 sq mi) and support a population of approximately 14,953.[6] On 12 May 2016, the Tumut Shire merged with the Tumbarumba Shire to form the Snowy Valleys Council.[7]
Prior to its dissolution, the Tumut Shire Council was composed of seven councillors elected proportionally as one entire ward. All councillors are elected for a fixed four-year term of office. The mayor was elected by the councillors at the first meeting of the council. The most recent election was held on 8 September 2012, and the makeup of the former council was as follows:[8]