The size of Belmont is approximately 10 square kilometres. It has 12 parks covering nearly 0.9% of total area. The population of Belmont in 2011 was 4,594 people. By 2016 the population was 4,368 showing a population decline of 4.9% in the area during that time. The predominant age group in Belmont is 40-49 years. Households in Belmont are primarily couples with children and are likely to be repaying $1800 - $2399 per month on mortgage repayments. In general, people in Belmont work in a professional occupation. In 2011, 78.5% of the homes in Belmont were owner-occupied compared with 77.9% in 2016. Currently the median sales price of houses in the area is $680,000.