Calliope is a rural town and locality in the Gladstone Region, Queensland, Australia. In the 2021 census, the locality of Calliope had a population of 5,263 people. Calliope is near the 'cross-roads' of the Bruce Highway and the Dawson Highway in Central Queensland, 20 kilometres SSW of the port city of Gladstone. Gladstone–Monto Road runs south from the Dawson Highway through the locality.
Population: 5,263 (2021 census)
Established: 1871
Postcode(s): 4680
Area: 182.9 km² (70.6 sq mi)
Location: 21 km (13 mi) from Gladstone · 526 km (327 mi) from Brisbane