DemographicsKorong Vale is approximately 27.29 square kilometres. In 2016 the population of Korong Vale was 168. The population is 54% male and 46% female. On average the monthly mortgage repayments in Korong Vale are $300 to $449. The most common weekly income bracket is $300 to $399 per week. Weekly rents in the area are on average $100 to $149.