The size of Irvingdale is approximately 172 square kilometres. It has 4 parks covering nearly 1.1% of total area. The population of Irvingdale in 2011 was 566 people. By 2016 the population was 201 showing a population decline of 64.5% in the area during that time. The predominant age group in Irvingdale is 0-9 years. Households in Irvingdale are primarily couples with children and are likely to be repaying $1800 - $2399 per month on mortgage repayments. In general, people in Irvingdale work in a managers occupation. In 2011, 72.4% of the homes in Irvingdale were owner-occupied compared with 69.8% in 2016.