DemographicsFortescue (Tas.) is approximately 83.99 square kilometres. In 2016 the population of Fortescue (Tas.) was 5. The population is 50% male and 50% female. On average the monthly mortgage repayments in Fortescue (Tas.) 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.