The size of Griffith is approximately 2.8 square kilometres. It has 21 parks covering nearly 10.5% of total area. The population of Griffith in 2011 was 3,899 people. By 2016 the population was 4,571 showing a population growth of 17.2% in the area during that time. The predominant age group in Griffith is 20-29 years. Households in Griffith are primarily childless couples and are likely to be repaying over $4000 per month on mortgage repayments. In general, people in Griffith work in a professional occupation. In 2011, 52.2% of the homes in Griffith were owner-occupied compared with 53% in 2016. Currently the median sales price of houses in the area is $2,175,000.