DemographicsWhichello is approximately 11.66 square kilometres. In 2016 the population of Whichello was 31. The population is 59% male and 41% female. On average the monthly mortgage repayments in Whichello are $800 to $999. The most common weekly income bracket is $150 to $299 per week. Weekly rents in the area are on average $0 to $74.