DemographicsBarramornie is approximately 143.89 square kilometres. In 2016 the population of Barramornie was 19. The population is 53% male and 47% female. On average the monthly mortgage repayments in Barramornie are $0 to $299. The most common weekly income bracket is $800 to $999 per week. Weekly rents in the area are on average $0 to $74.