The size of Murrumba is approximately 8 square kilometres. The population of Murrumba in 2011 was 347 people. By 2016 the population was 4 showing a population decline of 98.8% in the area during that time. The predominant age group in Murrumba is 10-19 years. Households in Murrumba are primarily couples with children and are likely to be repaying $1000 - $1399 per month on mortgage repayments. In general, people in Murrumba work in a sales workers occupation. In 2006, 71.5% of the homes in Murrumba were owner-occupied compared with 80% in 2011.