The size of Wattle Flat is approximately 58.4 square kilometres. The population of Wattle Flat in 2011 was 363 people. By 2016 the population was 261 showing a population decline of 28.1% in the area during that time. The predominant age group in Wattle Flat is 50-59 years. Households in Wattle Flat are primarily childless couples and are likely to be repaying $1000 - $1399 per month on mortgage repayments. In general, people in Wattle Flat work in a managers occupation. In 2011, 82.7% of the homes in Wattle Flat were owner-occupied compared with 89.9% in 2016. Currently the median sales price of houses in the area is $432,500.