The size of Wychie is approximately 69.1 square kilometres. The population of Wychie in 2011 was 312 people. By 2016 the population was 9 showing a population decline of 97.1% in the area during that time. The predominant age group in Wychie is 0-9 years. Households in Wychie are primarily childless couples and are likely to be repaying $1400 - $1799 per month on mortgage repayments. In general, people in Wychie work in a labourer occupation. In 2011, 72.9% of the homes in Wychie were owner-occupied compared with 60% in 2016.