The size of Manbulloo is approximately 4,229.2 square kilometres. The population of Manbulloo in 2011 was 484 people. By 2016 the population was 3 showing a population decline of 99.4% in the area during that time. The predominant age group in Manbulloo is 30-39 years. Households in Manbulloo are primarily couples with children and are likely to be repaying $1000 - $1399 per month on mortgage repayments. In general, people in Manbulloo work in a labourer occupation. In 2006, 31.6% of the homes in Manbulloo were owner-occupied compared with 78.6% in 2011.