The size of Wirrate is approximately 64 square kilometres. It has 1 park covering nearly 46.2% of total area. The population of Wirrate in 2006 was 420 people. By 2011 the population was 267 showing a population decline of 36.4% in the area during that time. The predominant age group in Wirrate is 60-69 years. Households in Wirrate are primarily couples with children and are likely to be repaying $800 - $999 per month on mortgage repayments. In general, people in Wirrate work in a managers occupation. In 2006, 81.8% of the homes in Wirrate were owner-occupied compared with 81.8% in 2011.