 On 31 March, the Borough of Dalby became the Town of Dalby under the "Local Authorities Act 1902".The Shire of Wambo, also headquartered in Dalby and managing areas which surrounded the town, provided many functions in partnership with the Town, including libraries and area promotion.On 15 March 2008, under the "Local Government (Reform Implementation) Act 2007" passed by the Parliament of Queensland on 10 August 2007, the Town of Dalby merged with the Shires of Chinchilla, Murilla, Tara and Wambo and the southern part of Taroom to form the Western Downs Region.