Kempsey is a town in the Mid North Coast region of New South Wales, Australia and is the council seat for Kempsey Shire. It is located roug…Kempsey is a town in the Mid North Coast region of New South Wales, Australia and is the council seat for Kempsey Shire. It is located roughly 16.5 kilometres inland from the coast of the Pacific Ocean, on the Macleay Valley Way near where the Pacific Highway and the North Coast railway line cross the Macleay River. It is roughly 430 kilometres north of Sydney. As of June 2018 Kempsey had a population of 15,309.