The size of Monbulk is approximately 20.3 square kilometres. It has 17 parks covering nearly 3.7% of total area. The population of Monbulk in 2011 was 3,456 people. By 2016 the population was 3,583 showing a population growth of 3.7% in the area during that time. The predominant age group in Monbulk is 40-49 years. Households in Monbulk are primarily couples with children and are likely to be repaying $1800 - $2399 per month on mortgage repayments. In general, people in Monbulk work in a trades occupation. In 2011, 81.4% of the homes in Monbulk were owner-occupied compared with 79.4% in 2016. Currently the median sales price of houses in the area is $795,000.