DemographicsArthurs Lake is approximately 216.81 square kilometres. In 2016 the population of Arthurs Lake was 18. The population is 75% male and 25% female. On average the monthly mortgage repayments in Arthurs Lake are $0 to $299. The most common weekly income bracket is $150 to $299 per week. Weekly rents in the area are on average $0 to $74.