The size of Eradu is approximately 41.5 square kilometres. The population of Eradu in 2011 was 236 people. By 2016 the population was 6 showing a population decline of 97.5% in the area during that time. The predominant age group in Eradu is 20-29 years. Households in Eradu are primarily single parents and are likely to be repaying not stated per month on mortgage repayments. In general, people in Eradu work in a clerical occupation. In 2006, 27.2% of the homes in Eradu were owner-occupied compared with 71.3% in 2011.