DemographicsGlengarry (Tas.) is approximately 48.82 square kilometres. In 2016 the population of Glengarry (Tas.) was 525. The population is 50% male and 50% female. On average the monthly mortgage repayments in Glengarry (Tas.) are $1000 to $1399. The most common weekly income bracket is $300 to $399 per week. Weekly rents in the area are on average $275 to $349.