DemographicsGlendon is approximately 10.68 square kilometres. In 2016 the population of Glendon was 115. The population is 44% male and 56% female. On average the monthly mortgage repayments in Glendon are $1800 to $2399. The most common weekly income bracket is $300 to $399 per week. Weekly rents in the area are on average $225 to $275.