Barangay Dopaj

Barangay Dopaj forms part of Dupax Del Sur, a municipality in Nueva Vizcaya, and is classified as a small barangay.

According to the 2020 Philippine census, Barangay Dopaj had a population of 1,900. This made it the 2nd largest of 19 barangays in Dupax Del Sur by population, placing it among the most populous barangays of the municipality. Residents of Barangay Dopaj accounted for approximately 8.95% of the total population of Dupax Del Sur, which stood at 21,224 in the same census year.

Census comparisons between 2015 and 2020 show Barangay Dopaj moving from 1,722 residents to 1,900 residents, an intercensal change of +10.3%. The trajectory indicates a growing community. Barangay Dopaj is officially classified as rural, a designation applied to barangays with lower population density and predominantly non-built-up land use.

Dupax Del Sur is a municipality comprising 19 barangays, and serves as the governing unit directly responsible for local services in Barangay Dopaj, including public health, sanitation, peace and order, and civil registration. Within the wider province of Nueva Vizcaya, which contains 275 barangays across its component cities and municipalities, Barangay Dopaj ranks 98th by 2020 population. Nueva Vizcaya is classified as a 2nd by the Bureau of Local Government Finance, a category that reflects the province's annual regular income.

Like every Philippine barangay, Barangay Dopaj is led by an elected Punong Barangay (barangay captain) supported by seven Sangguniang Barangay members (kagawads), an SK Chairperson, a Barangay Secretary, and a Barangay Treasurer. The next Barangay and Sangguniang Kabataan Elections (BSKE) are scheduled for Monday, November 2, 2026, with officials serving four-year terms under Republic Act No. 12232.