The size of Corack is approximately 76.1 square kilometres. The population of Corack in 2011 was 455 people. By 2016 the population was 9 showing a population decline of 98.0% in the area during that time. The predominant age group in Corack is 0-9 years. Households in Corack are primarily couples with children and are likely to be repaying not stated per month on mortgage repayments. In general, people in Corack work in a managers occupation. In 2006, 15.9% of the homes in Corack were owner-occupied compared with 83.6% in 2011.