DemographicsMacfarlane is approximately 532.22 square kilometres. In 2016 the population of Macfarlane was 14. The population is 42% male and 58% female. On average the monthly mortgage repayments in Macfarlane are $0 to $299. The most common weekly income bracket is $400 to $499 per week. Weekly rents in the area are on average $0 to $74.