DemographicsGlenluce is approximately 29.28 square kilometres. In 2016 the population of Glenluce was 20. The population is 50% male and 50% female. On average the monthly mortgage repayments in Glenluce are $1000 to $1399. The most common weekly income bracket is $800 to $999 per week. Weekly rents in the area are on average $0 to $74.