Barangay Mangayang

Classified as a mid-sized barangay, Barangay Mangayang is one of the administrative divisions of Dupax Del Sur in Nueva Vizcaya, Cagayan Valley, Philippines.

According to the 2020 Philippine census, Barangay Mangayang had a population of 2,340. This made it the 1st largest of 19 barangays in Dupax Del Sur by population, placing it among the most populous barangays of the municipality. Residents of Barangay Mangayang accounted for approximately 11.03% of the total population of Dupax Del Sur, which stood at 21,224 in the same census year.

Between the 2015 and 2020 censuses, the population of Barangay Mangayang changed from 2,140 to 2,340, a shift of +9.3% over the five-year period. This places the barangay among those with growing populations in Dupax Del Sur. Barangay Mangayang 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 Mangayang, 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 Mangayang ranks 66th 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 Mangayang 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.