The size of Coolbinia is approximately 0.9 square kilometres. It has 6 parks covering nearly 2.7% of total area. The population of Coolbinia in 2011 was 1,536 people. By 2016 the population was 1,672 showing a population growth of 8.9% in the area during that time. The predominant age group in Coolbinia is 50-59 years. Households in Coolbinia are primarily couples with children and are likely to be repaying over $4000 per month on mortgage repayments. In general, people in Coolbinia work in a professional occupation. In 2011, 81.6% of the homes in Coolbinia were owner-occupied compared with 80.2% in 2016. Currently the median sales price of houses in the area is $1,240,000.