DemographicsYarranlea is approximately 58.36 square kilometres. In 2016 the population of Yarranlea was 90. The population is 54% male and 46% female. On average the monthly mortgage repayments in Yarranlea are $0 to $299. The most common weekly income bracket is $650 to $799 per week. Weekly rents in the area are on average $0 to $74.