DemographicsLake Leake is approximately 408.38 square kilometres. In 2016 the population of Lake Leake was 45. The population is 61% male and 39% female. On average the monthly mortgage repayments in Lake Leake 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.