DemographicsCallawadda is approximately 137.66 square kilometres. In 2016 the population of Callawadda was 43. The population is 60% male and 40% female. On average the monthly mortgage repayments in Callawadda are $600 to $799. The most common weekly income bracket is $300 to $399 per week. Weekly rents in the area are on average $0 to $74.