The size of Blackbull is approximately 3,286.5 square kilometres. It has 9 parks covering nearly 2% of total area. The population of Blackbull in 2011 was 316 people. By 2016 the population was 3 showing a population decline of 99.1% in the area during that time. The predominant age group in Blackbull is 30-39 years. Households in Blackbull are primarily couples with children and are likely to be repaying under $300 per month on mortgage repayments. In general, people in Blackbull work in a community and personal service occupation. In 2006, 48.1% of the homes in Blackbull were owner-occupied compared with 40.2% in 2011.