The size of Acheron is approximately 72.7 square kilometres. It has 2 parks covering nearly 3% of total area. The population of Acheron in 2011 was 270 people. By 2016 the population was 140 showing a population decline of 48.1% in the area during that time. The predominant age group in Acheron is 60-69 years. Households in Acheron are primarily childless couples and are likely to be repaying $1000 - $1399 per month on mortgage repayments. In general, people in Acheron work in a managers occupation. In 2011, 79.2% of the homes in Acheron were owner-occupied compared with 82.7% in 2016.