DemographicsCurdies River is approximately 7.76 square kilometres. In 2016 the population of Curdies River was 28. The population is 56% male and 44% female. On average the monthly mortgage repayments in Curdies River are $0 to $299. The most common weekly income bracket is $2000 to $2999 per week. Weekly rents in the area are on average $0 to $74.