The size of Wunkar is approximately 263.6 square kilometres. The population of Wunkar in 2011 was 271 people. By 2016 the population was 64 showing a population decline of 76.4% in the area during that time. The predominant age group in Wunkar is 60-69 years. Households in Wunkar are primarily couples with children and are likely to be repaying $300 - $449 per month on mortgage repayments. In general, people in Wunkar work in a managers occupation. In 2011, 82.3% of the homes in Wunkar were owner-occupied compared with 114.3% in 2016.