The size of Willyaroo is approximately 3.9 square kilometres. The population of Willyaroo in 2011 was 360 people. By 2016 the population was 389 showing a population growth of 8.1% in the area during that time. The predominant age group in Willyaroo is 40-49 years. Households in Willyaroo are primarily couples with children and are likely to be repaying $1800 - $2399 per month on mortgage repayments. In general, people in Willyaroo work in a trades occupation. In 2011, 88.6% of the homes in Willyaroo were owner-occupied compared with 89.3% in 2016. Currently the median sales price of houses in the area is $554,500.