Kenilworth is a rural town and locality in the Sunshine Coast Region, Queensland, Australia. In the 2021 census, the locality of Kenilworth …Kenilworth is a rural town and locality in the Sunshine Coast Region, Queensland, Australia. In the 2021 census, the locality of Kenilworth had a population of 604 people. Kenilworth is in the heart of the Mary Valley area of the Sunshine Coast. It is a rural area, about 50 kilometres from the coast, with dairy farming as the major industry.