 On 22 February 1912, the Shire of Kilcoy split away and was proclaimed in its own right.The council consisted of an elected mayor and eight councillors, and was not subdivided.On 15 March 2008, under the "Local Government (Reform Implementation) Act 2007" passed by the Parliament of Queensland on 10 August 2007, the Shire of Kilcoy merged with the Shire of Esk to form the Somerset Region.