The size of Coombe is approximately 322.1 square kilometres. It has 2 parks. The population of Coombe in 2011 was 816 people. By 2016 the population was 55 showing a population decline of 93.3% in the area during that time. The predominant age group in Coombe is 40-49 years. Households in Coombe are primarily couples with children and are likely to be repaying under $300 per month on mortgage repayments. In general, people in Coombe work in a managers occupation. In 2011, 65.4% of the homes in Coombe were owner-occupied compared with 45.4% in 2016.