DemographicsGarland Valley is approximately 96.41 square kilometres. In 2016 the population of Garland Valley was 11. The population is 100% male and 0% female. On average the monthly mortgage repayments in Garland Valley 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.