Barangay Dulumbayan

Barangay Dulumbayan forms part of Teresa, a municipality in Rizal, and is classified as a large barangay.

According to the 2020 Philippine census, Barangay Dulumbayan had a population of 9,295. This made it the 3rd largest of 9 barangays in Teresa by population, placing it in the upper half of the municipality. Residents of Barangay Dulumbayan accounted for approximately 14.51% of the total population of Teresa, which stood at 64,072 in the same census year.

Between the 2015 and 2020 censuses, the population of Barangay Dulumbayan changed from 8,353 to 9,295, a shift of +11.3% over the five-year period. This places the barangay among those with growing populations in Teresa. Barangay Dulumbayan is officially classified as urban, reflecting the density and built-up character of the area.

Teresa is a municipality comprising 9 barangays, and serves as the governing unit directly responsible for local services in Barangay Dulumbayan, including public health, sanitation, peace and order, and civil registration. Within the wider province of Rizal, which contains 189 barangays across its component cities and municipalities, Barangay Dulumbayan ranks 79th by 2020 population. Rizal is classified as a 1st by the Bureau of Local Government Finance, a category that reflects the province's annual regular income.

The barangay's legislative and executive affairs are handled by a Punong Barangay and the Sangguniang Barangay, elected nationwide during the Barangay and SK Elections. The next BSKE is scheduled for Monday, November 2, 2026, following the synchronized election schedule set by COMELEC Resolution No. 11191.