The size of Killimicat is approximately 34.6 square kilometres. It has 2 parks covering nearly 11.3% of total area. The population of Killimicat in 2011 was 307 people. By 2016 the population was 10 showing a population decline of 96.7% in the area during that time. The predominant age group in Killimicat is 50-59 years. Households in Killimicat are primarily couples with children and are likely to be repaying $1400 - $1799 per month on mortgage repayments. In general, people in Killimicat work in a managers occupation. In 2011, 75.4% of the homes in Killimicat were owner-occupied compared with 108.4% in 2016.