DemographicsHardys Bay is approximately 0.61 square kilometres. In 2016 the population of Hardys Bay was 227. The population is 48% male and 52% female. On average the monthly mortgage repayments in Hardys Bay are $0 to $299. The most common weekly income bracket is $800 to $999 per week. Weekly rents in the area are on average $275 to $349.