DemographicsWallaces Creek is approximately 12.07 square kilometres. In 2016 the population of Wallaces Creek was 58. The population is 46% male and 54% female. On average the monthly mortgage repayments in Wallaces Creek are $1800 to $2399. The most common weekly income bracket is $150 to $299 per week. Weekly rents in the area are on average $0 to $74.