The size of Pamayu is approximately 33,928 square kilometres. The population of Pamayu in 2011 was 156 people. By 2016 the population was 15 showing a population decline of 90.4% in the area during that time. The predominant age group in Pamayu is 50-59 years. Households in Pamayu are primarily childless couples and are likely to be repaying under $300 per month on mortgage repayments. In general, people in Pamayu work in a clerical occupation. In 2006, 20.5% of the homes in Pamayu were owner-occupied compared with 31.6% in 2011.