The size of Dereel is approximately 59.9 square kilometres. It has 10 parks covering nearly 5.2% of total area. The population of Dereel in 2011 was 586 people. By 2016 the population was 536 showing a population decline of 8.5% in the area during that time. The predominant age group in Dereel is 50-59 years. Households in Dereel are primarily childless couples and are likely to be repaying $1000 - $1399 per month on mortgage repayments. In general, people in Dereel work in a professional occupation. In 2011, 90.2% of the homes in Dereel were owner-occupied compared with 91.1% in 2016.