The size of Grangefields is approximately 7.6 square kilometres. It has 2 parks covering nearly 0.1% of total area. The population of Grangefields in 2011 was 1,349 people. By 2016 the population was 1,537 showing a population growth of 13.9% in the area during that time. The predominant age group in Grangefields is 40-49 years. Households in Grangefields are primarily couples with children and are likely to be repaying $1000 - $1399 per month on mortgage repayments. In general, people in Grangefields work in a machinery operators and drivers occupation. In 2011, 69.5% of the homes in Grangefields were owner-occupied compared with 63.6% in 2016.