The size of Porcupine is approximately 8,319.1 square kilometres. It has 7 parks covering nearly 4.5% of total area. The population of Porcupine in 2011 was 292 people. By 2016 the population was 41 showing a population decline of 86.0% in the area during that time. The predominant age group in Porcupine is 0-9 years. Households in Porcupine are primarily childless couples and are likely to be repaying under $300 per month on mortgage repayments. In general, people in Porcupine work in a managers occupation. In 2011, 74.5% of the homes in Porcupine were owner-occupied compared with 55.5% in 2016.