DemographicsLeichardt is approximately 74.63 square kilometres. In 2016 the population of Leichardt was 125. The population is 47% male and 53% female. On average the monthly mortgage repayments in Leichardt are $800 to $999. The most common weekly income bracket is $1000 to $1249 per week. Weekly rents in the area are on average $0 to $74.