Smithton is a town on the far north-west coast of Tasmania, Australia. It lies on the Bass Highway, 85 km north-west of Burnie. At the 2021 ce…Smithton is a town on the far north-west coast of Tasmania, Australia. It lies on the Bass Highway, 85 km north-west of Burnie. At the 2021 census, Smithton had a population of 3,934. Smithton is the administrative centre of the Circular Head Council.