The size of Kiacatoo is approximately 971.7 square kilometres. It has 2 parks covering nearly 0.2% of total area. The population of Kiacatoo in 2011 was 3,742 people. By 2016 the population was 9 showing a population decline of 99.8% in the area during that time. The predominant age group in Kiacatoo is 50-59 years. Households in Kiacatoo are primarily couples with children and are likely to be repaying $1000 - $1399 per month on mortgage repayments. In general, people in Kiacatoo work in a managers occupation. In 2006, 34.5% of the homes in Kiacatoo were owner-occupied compared with 65% in 2011.