The size of Marrawah is approximately 144.6 square kilometres. It has 11 parks covering nearly 30.4% of total area. The population of Marrawah in 2011 was 374 people. By 2016 the population was 139 showing a population decline of 62.8% in the area during that time. The predominant age group in Marrawah is 50-59 years. Households in Marrawah are primarily childless couples and are likely to be repaying under $300 per month on mortgage repayments. In general, people in Marrawah work in a managers occupation. In 2011, 57.9% of the homes in Marrawah were owner-occupied compared with 68.3% in 2016.