DemographicsYork Plains (Tas.) is approximately 99.86 square kilometres. In 2016 the population of York Plains (Tas.) was 62. The population is 47% male and 53% female. On average the monthly mortgage repayments in York Plains (Tas.) are $0 to $299. The most common weekly income bracket is $650 to $799 per week. Weekly rents in the area are on average $0 to $74.