DemographicsStormlea is approximately 15.11 square kilometres. In 2016 the population of Stormlea was 36. The population is 40% male and 60% female. On average the monthly mortgage repayments in Stormlea are $0 to $299. The most common weekly income bracket is $1000 to $1249 per week. Weekly rents in the area are on average $0 to $74.