DemographicsTilbuster is approximately 39.55 square kilometres. In 2016 the population of Tilbuster was 62. The population is 55% male and 45% female. On average the monthly mortgage repayments in Tilbuster 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.