DemographicsThe Gardens (Tas.) is approximately 58.07 square kilometres. In 2016 the population of The Gardens (Tas.) was 19. The population is 31% male and 69% female. On average the monthly mortgage repayments in The Gardens (Tas.) are $0 to $299. The most common weekly income bracket is $500 to $649 per week. Weekly rents in the area are on average $0 to $74.