The size of Murrumburrah is approximately 53.3 square kilometres. The population of Murrumburrah in 2011 was 480 people. By 2016 the population was 95 showing a population decline of 80.2% in the area during that time. The predominant age group in Murrumburrah is 40-49 years. Households in Murrumburrah are primarily childless couples and are likely to be repaying under $300 per month on mortgage repayments. In general, people in Murrumburrah work in a managers occupation. In 2011, 70.9% of the homes in Murrumburrah were owner-occupied compared with 82.5% in 2016.