DemographicsNorth Arm Cove is approximately 48.51 square kilometres. In 2016 the population of North Arm Cove was 445. The population is 51% male and 49% female. On average the monthly mortgage repayments in North Arm Cove are $1800 to $2399. The most common weekly income bracket is $300 to $399 per week. Weekly rents in the area are on average $350 to $449.