The size of Comboyne is approximately 100.2 square kilometres. It has 18 parks covering nearly 5.5% of total area. The population of Comboyne in 2011 was 453 people. By 2016 the population was 451 showing a population decline of 0.4% in the area during that time. The predominant age group in Comboyne is 60-69 years. Households in Comboyne are primarily childless couples and are likely to be repaying under $300 per month on mortgage repayments. In general, people in Comboyne work in a managers occupation. In 2011, 69.6% of the homes in Comboyne were owner-occupied compared with 73.8% in 2016. Currently the median sales price of houses in the area is $367,500.