DemographicsSapphire is approximately 103.73 square kilometres. In 2016 the population of Sapphire was 44. The population is 53% male and 47% female. On average the monthly mortgage repayments in Sapphire are $0 to $299. The most common weekly income bracket is $1000 to $1249 per week. Weekly rents in the area are on average $0 to $74.