The size of Bellfield is approximately 3,174.1 square kilometres. The population of Bellfield in 2006 was 252 people. By 2011 the population was 316 showing a population growth of 25.4% in the area during that time. The predominant age group in Bellfield is 0-9 years. Households in Bellfield are primarily couples with children and are likely to be repaying under $300 per month on mortgage repayments. In general, people in Bellfield work in a managers occupation. In 2006, 48.1% of the homes in Bellfield were owner-occupied compared with 40.2% in 2011.