DemographicsWonwondah is approximately 157.52 square kilometres. In 2016 the population of Wonwondah was 103. The population is 49% male and 51% female. On average the monthly mortgage repayments in Wonwondah are $1000 to $1399. The most common weekly income bracket is $300 to $399 per week. Weekly rents in the area are on average $0 to $74.