Bouldercombe is a rural town and locality in the Rockhampton Region, Queensland, Australia. In the 2021 census, the locality of Boulderco…Bouldercombe is a rural town and locality in the Rockhampton Region, Queensland, Australia. In the 2021 census, the locality of Bouldercombe had a population of 1,117 people. Bouldercombe is in Central Queensland. The town is on the Burnett Highway, 636 kilometres north west of the state capital, Brisbane and 22 kilometres south of the regional centre of Rockhampton.