Pilar, officially the '', is a of the Philippines in the province of in the of the Philippines. The population was at the.GeographyPilar is located at.According to the Philippine Statistics Authority, the has a land area of constituting of the {{PH wikidataarea total area of Abra.BarangaysPilar is politically subdivided into 19 barangays.DemographicsIn the, Pilar had a population of. The population density was {{sigfig{{PH wikidata.