The size of Curban is approximately 575.4 square kilometres. It has 3 parks covering nearly 0.3% of total area. The population of Curban in 2011 was 284 people. By 2016 the population was 130 showing a population decline of 54.2% in the area during that time. The predominant age group in Curban is 60-69 years. Households in Curban are primarily childless couples and are likely to be repaying under $300 per month on mortgage repayments. In general, people in Curban work in a managers occupation. In 2011, 76.4% of the homes in Curban were owner-occupied compared with 76.8% in 2016.