DemographicsPiallamore is approximately 41.01 square kilometres. In 2016 the population of Piallamore was 261. The population is 51% male and 49% female. On average the monthly mortgage repayments in Piallamore are $1800 to $2399. The most common weekly income bracket is $650 to $799 per week. Weekly rents in the area are on average $450 to $549.