The size of Bonnells Bay is approximately 3.3 square kilometres. It has 10 parks covering nearly 4% of total area. The population of Bonnells Bay in 2011 was 3,119 people. By 2016 the population was 3,572 showing a population growth of 14.5% in the area during that time. The predominant age group in Bonnells Bay is 60-69 years. Households in Bonnells Bay are primarily childless couples and are likely to be repaying $1800 - $2399 per month on mortgage repayments. In general, people in Bonnells Bay work in a trades occupation. In 2011, 75.9% of the homes in Bonnells Bay were owner-occupied compared with 73.4% in 2016. Currently the median sales price of houses in the area is $730,000.