Selwyn is a rural town and locality in the Shire of Cloncurry, Queensland, Australia. Selwyn is now an abandoned mining town. In the 2021 cen…Selwyn is a rural town and locality in the Shire of Cloncurry, Queensland, Australia. Selwyn is now an abandoned mining town. In the 2021 census, the locality of Selwyn had a population of 25 people. Selwyn takes its name from the Selwyn Range, which was named in turn after Alfred Richard Cecil Selwyn, a geologist who was Director of the Geological Survey of Victoria from 1852 to 1869. It was formerly known as Mount Elliott after the prospector James Elliott who discovered copper and gold in the area in 1889.