The size of Griffin is approximately 17.2 square kilometres. It has 19 parks covering nearly 7.5% of total area. The population of Griffin in 2011 was 2,357 people. By 2016 the population was 6,830 showing a population growth of 189.8% in the area during that time. The predominant age group in Griffin is 20-29 years. Households in Griffin are primarily couples with children and are likely to be repaying $1800 – $2399 per month on mortgage repayments. In general, people in Griffin work in a trades occupation. In 2011, 61.5% of the homes in Griffin were owner-occupied compared with 39.3% in 2016.