Barangay Dumayco

Situated in Peñarrubia, Abra, Barangay Dumayco is one of 9 barangays that make up the municipality within CAR.

According to the 2020 Philippine census, Barangay Dumayco had a population of 1,179. This made it the 1st largest of 9 barangays in Peñarrubia by population, placing it among the most populous barangays of the municipality. Residents of Barangay Dumayco accounted for approximately 16.96% of the total population of Peñarrubia, which stood at 6,951 in the same census year.

Census comparisons between 2015 and 2020 show Barangay Dumayco moving from 1,210 residents to 1,179 residents, an intercensal change of -2.6%. The trajectory indicates a contracting community. Barangay Dumayco is officially classified as rural, a designation applied to barangays with lower population density and predominantly non-built-up land use.

Peñarrubia is a municipality comprising 9 barangays, and serves as the governing unit directly responsible for local services in Barangay Dumayco, including public health, sanitation, peace and order, and civil registration. Within the wider province of Abra, which contains 303 barangays across its component cities and municipalities, Barangay Dumayco ranks 57th by 2020 population. Abra is classified as a 3rd by the Bureau of Local Government Finance, a category that reflects the province's annual regular income.

Barangay Dumayco is governed by an elected Sangguniang Barangay composed of a Punong Barangay and seven kagawads, with the Sangguniang Kabataan representing the youth. The next BSKE, set for Monday, November 2, 2026, will elect officials to four-year terms as provided under Republic Act No. 12232.