The size of Lake Bunga is approximately 2 square kilometres. It has 2 parks covering nearly 19.4% of total area. The population of Lake Bunga in 2011 was 451 people. By 2016 the population was 310 showing a population decline of 31.3% in the area during that time. The predominant age group in Lake Bunga is 60-69 years. Households in Lake Bunga are primarily childless couples and are likely to be repaying $1000 - $1399 per month on mortgage repayments. In general, people in Lake Bunga work in a professional occupation. In 2011, 78.3% of the homes in Lake Bunga were owner-occupied compared with 84.6% in 2016. Currently the median sales price of houses in the area is $565,000.