The size of Moonlight Flat is approximately 14.1 square kilometres. It has 5 parks covering nearly 29% of total area. The population of Moonlight Flat in 2011 was 259 people. By 2016 the population was 68 showing a population decline of 73.7% in the area during that time. The predominant age group in Moonlight Flat is 60-69 years. Households in Moonlight Flat are primarily childless couples and are likely to be repaying not stated per month on mortgage repayments. In general, people in Moonlight Flat work in a trades occupation. In 2011, 85.8% of the homes in Moonlight Flat were owner-occupied compared with 93.3% in 2016.