DemographicsWhirily is approximately 139.99 square kilometres. In 2016 the population of Whirily was 30. The population is 32% male and 68% female. On average the monthly mortgage repayments in Whirily are $0 to $299. The most common weekly income bracket is $300 to $399 per week. Weekly rents in the area are on average $0 to $74.