The size of Griffith is approximately 52 square kilometres. It has 38 parks covering nearly 1.2% of total area. The population of Griffith in 2011 was 16,973 people. By 2016 the population was 18,198 showing a population growth of 7.2% in the area during that time. The predominant age group in Griffith is 0-9 years. Households in Griffith are primarily couples with children and are likely to be repaying $1400 - $1799 per month on mortgage repayments. In general, people in Griffith work in a labourer occupation. In 2011, 60.7% of the homes in Griffith were owner-occupied compared with 58.9% in 2016. Currently the median sales price of houses in the area is $466,500.