DemographicsTraynors Lagoon is approximately 68.91 square kilometres. In 2016 the population of Traynors Lagoon was 29. The population is 66% male and 34% female. On average the monthly mortgage repayments in Traynors Lagoon are $0 to $299. The most common weekly income bracket is $150 to $299 per week. Weekly rents in the area are on average $0 to $74.