The size of Captains Flat is approximately 167 square kilometres. It has 5 parks covering nearly 38.3% of total area. The population of Captains Flat in 2011 was 744 people. By 2016 the population was 598 showing a population decline of 19.6% in the area during that time. The predominant age group in Captains Flat is 50-59 years. Households in Captains Flat are primarily couples with children and are likely to be repaying $1000 - $1399 per month on mortgage repayments. In general, people in Captains Flat work in a trades occupation. In 2011, 83.6% of the homes in Captains Flat were owner-occupied compared with 78.9% in 2016. Currently the median sales price of houses in the area is $350,000.