The size of Walker Flat is approximately 140.6 square kilometres. It has 2 parks covering nearly 0.1% of total area. The population of Walker Flat in 2011 was 301 people. By 2016 the population was 72 showing a population decline of 76.1% in the area during that time. The predominant age group in Walker Flat is 60-69 years. Households in Walker Flat are primarily childless couples and are likely to be repaying not stated per month on mortgage repayments. In general, people in Walker Flat work in a managers occupation. In 2011, 86.6% of the homes in Walker Flat were owner-occupied compared with 79.6% in 2016. Currently the median sales price of houses in the area is $289,500.