The size of Drildool is approximately 237.5 square kilometres. The population of Drildool in 2011 was 386 people. By 2016 the population was 6 showing a population decline of 98.4% in the area during that time. The predominant age group in Drildool is 60-69 years. Households in Drildool are primarily couples with children and are likely to be repaying under $300 per month on mortgage repayments. In general, people in Drildool work in a managers occupation. In 2006, 4.5% of the homes in Drildool were owner-occupied compared with 47% in 2011.