DemographicsLyndhurst (Blayney - NSW) is approximately 61.96 square kilometres. In 2016 the population of Lyndhurst (Blayney - NSW) was 365. The population is 47% male and 53% female. On average the monthly mortgage repayments in Lyndhurst (Blayney - NSW) are $1000 to $1399. The most common weekly income bracket is $300 to $399 per week. Weekly rents in the area are on average $200 to $224.