Ranelagh is a township in the Huon Valley of Tasmania, Australia. Adjacent to Huonville, it serves as a residential area for commuters, …Ranelagh is a township in the Huon Valley of Tasmania, Australia. Adjacent to Huonville, it serves as a residential area for commuters, a tourist destination, and a hub for agricultural activities. At the 2021 census, Ranelagh had a population of 1,484.