The size of Wedgefield is approximately 18.1 square kilometres. The population of Wedgefield in 2011 was 621 people. By 2016 the population was 145 showing a population decline of 76.7% in the area during that time. The predominant age group in Wedgefield is 40-49 years. Households in Wedgefield are primarily childless couples and are likely to be repaying over $4000 per month on mortgage repayments. In general, people in Wedgefield work in a trades occupation. In 2011, 39.9% of the homes in Wedgefield were owner-occupied compared with 27.3% in 2016.