The size of Stormlea is approximately 15.1 square kilometres. It has 3 parks covering nearly 0.1% of total area. The population of Stormlea in 2011 was 90 people. By 2016 the population was 24 showing a population decline of 73.3% in the area during that time. The predominant age group in Stormlea is 10-19 years. Households in Stormlea are primarily couples with children and are likely to be repaying under $300 per month on mortgage repayments. In general, people in Stormlea work in a clerical occupation. In 2006, 80.2% of the homes in Stormlea were owner-occupied compared with 75% in 2011.