DemographicsCarlton River is approximately 28.41 square kilometres. In 2016 the population of Carlton River was 265. The population is 52% male and 48% female. On average the monthly mortgage repayments in Carlton River are $1000 to $1399. The most common weekly income bracket is $500 to $649 per week. Weekly rents in the area are on average $0 to $74.