Wedderburn is a rural town in Victoria, Australia on the Calder Highway, 217 kilometres north of Victoria's capital city, Melbourne. At the 2021 …Wedderburn is a rural town in Victoria, Australia on the Calder Highway, 217 kilometres north of Victoria's capital city, Melbourne. At the 2021 census, Wedderburn had a population of 951. It is mainly a farming community but its early residents were gold miners and prospectors.