Collinsville is a rural town and locality in the Whitsunday Region, Queensland, Australia. In the 2021 census, the locality of Collinsville …Collinsville is a rural town and locality in the Whitsunday Region, Queensland, Australia. In the 2021 census, the locality of Collinsville had a population of 1,496 people. Collinsville is in the coal-rich Bowen Basin region of Central Queensland, 1,245 kilometres north of Brisbane and 87 kilometres south-west of the coastal town of Bowen. The Bowen Developmental Road passes through the town connecting with Bowen to the north-east and the Gregory Highway at Belyando Crossing to the south-west.