DemographicsRathscar is approximately 47.57 square kilometres. In 2016 the population of Rathscar was 21. The population is 55% male and 45% female. On average the monthly mortgage repayments in Rathscar 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.