The size of Miltalie is approximately 515.5 square kilometres. It has 3 parks covering nearly 9.8% of total area. The population of Miltalie in 2011 was 299 people. By 2016 the population was 51 showing a population decline of 82.9% in the area during that time. The predominant age group in Miltalie is 0-9 years. Households in Miltalie are primarily couples with children and are likely to be repaying $1000 - $1399 per month on mortgage repayments. In general, people in Miltalie work in a managers occupation. In 2011, 78.6% of the homes in Miltalie were owner-occupied compared with 50% in 2016.