The size of Flynn is approximately 14.4 square kilometres. It has 2 parks covering nearly 90.1% of total area. The population of Flynn in 2011 was 93 people. By 2016 the population was 91 showing a population decline of 2.2% in the area during that time. The predominant age group in Flynn is 0-9 years. Households in Flynn are primarily couples with children and are likely to be repaying $950 - $1199 per month on mortgage repayments. In general, people in Flynn work in a community and personal service occupation.