Blackall is a rural town and locality in the Blackall-Tambo Region, Queensland, Australia. In the 2016 census the locality of Blackall ha…Blackall is a rural town and locality in the Blackall-Tambo Region, Queensland, Australia. In the 2016 census the locality of Blackall had a population of 1,416 people. The town is the service centre for the Blackall-Tambo Region. The dominant industry in the area is grazing with over 70 homesteads in the locality.