The size of Belvidere is approximately 20.1 square kilometres. The population of Belvidere in 2011 was 669 people. By 2016 the population was 114 showing a population decline of 83.0% in the area during that time. The predominant age group in Belvidere is 10-19 years. Households in Belvidere are primarily couples with children and are likely to be repaying $1000 - $1399 per month on mortgage repayments. In general, people in Belvidere work in a labourer occupation. In 2011, 79.4% of the homes in Belvidere were owner-occupied compared with 84.8% in 2016.