The size of Yerrinbool is approximately 48.1 square kilometres. It has 10 parks covering nearly 60.2% of total area. The population of Yerrinbool in 2011 was 1,088 people. By 2016 the population was 1,178 showing a population growth of 8.3% in the area during that time. The predominant age group in Yerrinbool is 40-49 years. Households in Yerrinbool are primarily couples with children and are likely to be repaying $1800 - $2399 per month on mortgage repayments. In general, people in Yerrinbool work in a trades occupation. In 2011, 85.5% of the homes in Yerrinbool were owner-occupied compared with 86.6% in 2016. Currently the median sales price of houses in the area is $632,500.