', officially the ', is a of the Philippines in the province of,. According to the, it has a population of people.BarangaysReina Mercedes is politically subdivided into 20 barangays. Banquero Binarsang Cutog Grande Cutog Pequeño Dangan District I (Pob.) District II (Pob.) Labinab Grande (Pob.) Labinab Pequeño (Pob.) Mallalatang Grande Mallalatang Tunggui Nappacu Grande Nappacu Pequeño Salucong Santiago Santor Sinippil Tallungan (Pob.) Turod VilladorDemographicsIn the, the population of Reina Mercedes, Isabela, was people, with a density of {{sigfig{{PH wikidata.Climate