DemographicsBlaxland (Qld) is approximately 95.57 square kilometres. In 2016 the population of Blaxland (Qld) was 35. The population is 66% male and 34% female. On average the monthly mortgage repayments in Blaxland (Qld) are $0 to $299. The most common weekly income bracket is $1000 to $1249 per week. Weekly rents in the area are on average $0 to $74.