Yanko Shire was proclaimed on 7 March 1906.[1] On 6 January 1928, Willimbong Shire (later renamed Leeton Shire) was excised from its territory as per the provisions of the Irrigation Act 1912.[2]
^"Barellan lights up in 1950s". Narrandera Argus. 6 October 2017. Retrieved 24 December 2019. Speaking of the relations that existed between the Municipal Council and the Yanko Shire, he said that those two bodies had lived in the same building since 1906, when the Yanko Shire Council came into existence