The size of Bunbury is approximately 221.4 square kilometres. It has 2 parks covering nearly 8.9% of total area. The population of Bunbury in 2006 was 188 people. By 2011 the population was 1,501 showing a population growth of 698.4% in the area during that time. The predominant age group in Bunbury is 60-69 years. Households in Bunbury are primarily childless couples and are likely to be repaying $1000 - $1399 per month on mortgage repayments. In general, people in Bunbury work in a managers occupation. In 2006, 62.3% of the homes in Bunbury were owner-occupied compared with 65.1% in 2011.