The size of Apoinga is approximately 46.8 square kilometres. The population of Apoinga in 2011 was 1,396 people. By 2016 the population was 23 showing a population decline of 98.4% in the area during that time. The predominant age group in Apoinga is 0-9 years. Households in Apoinga are primarily couples with children and are likely to be repaying $1000 - $1399 per month on mortgage repayments. In general, people in Apoinga work in a managers occupation. In 2006, 26.8% of the homes in Apoinga were owner-occupied compared with 69.8% in 2011.