DemographicsLeonards Hill is approximately 26 square kilometres. In 2016 the population of Leonards Hill was 45. The population is 52% male and 48% female. On average the monthly mortgage repayments in Leonards Hill are $0 to $299. The most common weekly income bracket is $650 to $799 per week. Weekly rents in the area are on average $0 to $74.