The size of Mentone is approximately 4.5 square kilometres. It has 10 parks covering nearly 4.6% of total area. The population of Mentone in 2011 was 11,667 people. By 2016 the population was 12,973 showing a population growth of 11.2% in the area during that time. The predominant age group in Mentone is 40-49 years. Households in Mentone are primarily couples with children and are likely to be repaying $1800 - $2399 per month on mortgage repayments. In general, people in Mentone work in a professional occupation. In 2011, 66.7% of the homes in Mentone were owner-occupied compared with 62.9% in 2016. Currently the median sales price of houses in the area is $1,410,000.