The size of Yambuna is approximately 47.5 square kilometres. It has 1 park covering nearly 8.3% of total area. The population of Yambuna in 2011 was 191 people. By 2016 the population was 115 showing a population decline of 39.8% in the area during that time. The predominant age group in Yambuna is 0-9 years. Households in Yambuna are primarily couples with children and are likely to be repaying $600 - $799 per month on mortgage repayments. In general, people in Yambuna work in a managers occupation. In 2011, 68% of the homes in Yambuna were owner-occupied compared with 80% in 2016.