DemographicsSwanfels is approximately 126.8 square kilometres. In 2016 the population of Swanfels was 132. The population is 44% male and 56% female. On average the monthly mortgage repayments in Swanfels are $1800 to $2399. The most common weekly income bracket is $300 to $399 per week. Weekly rents in the area are on average $0 to $74.