The size of Bruinbun is approximately 154.7 square kilometres. It has 1 park covering nearly 0.2% of total area. The population of Bruinbun in 2011 was 485 people. By 2016 the population was 37 showing a population decline of 92.4% in the area during that time. The predominant age group in Bruinbun is 50-59 years. Households in Bruinbun are primarily couples with children and are likely to be repaying $1400 - $1799 per month on mortgage repayments. In general, people in Bruinbun work in a managers occupation. In 2011, 75.9% of the homes in Bruinbun were owner-occupied compared with 100% in 2016.