The size of Bellevue Hill is approximately 2.4 square kilometres. It has 4 parks covering nearly 4.1% of total area. The population of Bellevue Hill in 2011 was 10,766 people. By 2016 the population was 10,709 showing a population decline of 0.5% in the area during that time. The predominant age group in Bellevue Hill is 30-39 years. Households in Bellevue Hill are primarily couples with children and are likely to be repaying over $4000 per month on mortgage repayments. In general, people in Bellevue Hill work in a professional occupation. In 2011, 63.3% of the homes in Bellevue Hill were owner-occupied compared with 63.6% in 2016. Currently the median sales price of houses in the area is $6,100,000.