DemographicsGre Gre North is approximately 69.64 square kilometres. In 2016 the population of Gre Gre North was 19. The population is 67% male and 33% female. On average the monthly mortgage repayments in Gre Gre North are $0 to $299. The most common weekly income bracket is $500 to $649 per week. Weekly rents in the area are on average $0 to $74.