DemographicsWallaloo is approximately 42.62 square kilometres. In 2016 the population of Wallaloo was 16. The population is 62% male and 38% female. On average the monthly mortgage repayments in Wallaloo 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.