DemographicsKars Springs is approximately 158.85 square kilometres. In 2016 the population of Kars Springs was 32. The population is 59% male and 41% female. On average the monthly mortgage repayments in Kars Springs are $0 to $299. The most common weekly income bracket is $800 to $999 per week. Weekly rents in the area are on average $0 to $74.