The size of Bethany is approximately 9.4 square kilometres. It has 2 parks covering nearly 1.7% of total area. The population of Bethany in 2011 was 302 people. By 2016 the population was 152 showing a population decline of 49.7% in the area during that time. The predominant age group in Bethany is 60-69 years. Households in Bethany are primarily couples with children and are likely to be repaying $1400 - $1799 per month on mortgage repayments. In general, people in Bethany work in a labourer occupation. In 2011, 80.8% of the homes in Bethany were owner-occupied compared with 82.3% in 2016.