On 31 March 1903, following the enactment of the "Local Authorities Act 1902", Gayndah became a town while the three divisions became shires. On 3 June 1905, the Shire of Degilbo, centred on Biggenden, was established from part of the Shire of Burrum. On 19 May 1915, the Shire of Auburn (later renamed Mundubbera) was separately incorporated. On 17 March 1923, the Shire of Rawbelle was renamed Gayndah and on 24 May 1924, it absorbed the Town. On 3 March 1932, the Shire of Monto came into being and Eidsvold was reincorporated. Finally, on 12 July 1941, Degilbo was renamed Biggenden.