DemographicsWargan is approximately 435.6 square kilometres. In 2016 the population of Wargan was 71. The population is 45% male and 55% female. On average the monthly mortgage repayments in Wargan are $1800 to $2399. The most common weekly income bracket is $1250 to $1499 per week. Weekly rents in the area are on average $0 to $74.