The size of Wigley Flat is approximately 17.5 square kilometres. It has 7 parks covering nearly 18.8% of total area. The population of Wigley Flat in 2011 was 645 people. By 2016 the population was 21 showing a population decline of 96.7% in the area during that time. The predominant age group in Wigley Flat is 40-49 years. Households in Wigley Flat are primarily childless couples and are likely to be repaying $1800 - $2399 per month on mortgage repayments. In general, people in Wigley Flat work in a clerical occupation. In 2011, 78.8% of the homes in Wigley Flat were owner-occupied compared with 57.1% in 2016.