DemographicsMaroona is approximately 130.15 square kilometres. In 2016 the population of Maroona was 110. The population is 49% male and 51% female. On average the monthly mortgage repayments in Maroona are $0 to $299. The most common weekly income bracket is $150 to $299 per week. Weekly rents in the area are on average $0 to $74.