The size of Adelaide River is approximately 146.8 square kilometres. It has 2 parks. The population of Adelaide River in 2011 was 237 people. By 2016 the population was 364 showing a population growth of 53.6% in the area during that time. The predominant age group in Adelaide River is 50-59 years. Households in Adelaide River are primarily couples with children and are likely to be repaying under $300 per month on mortgage repayments. In general, people in Adelaide River work in a labourer occupation. In 2011, 57.9% of the homes in Adelaide River were owner-occupied compared with 54.5% in 2016. Currently the median sales price of houses in the area is $140,500.