Barangay Tamac

Barangay Tamac forms part of Villaviciosa, a municipality in Abra, and is classified as a small barangay.

According to the 2020 Census of Population and Housing conducted by the Philippine Statistics Authority, Barangay Tamac had a population of 678. This made it the 5th largest of 8 barangays in Villaviciosa by population, placing it in the middle tier of the municipality. Residents of Barangay Tamac accounted for approximately 11.95% of the total population of Villaviciosa, which stood at 5,675 in the same census year.

Between the 2015 and 2020 censuses, the population of Barangay Tamac changed from 595 to 678, a shift of +13.9% over the five-year period. This places the barangay among those with growing populations in Villaviciosa. The Philippine Statistics Authority classifies Barangay Tamac as rural, a designation applied to barangays with lower population density and predominantly non-built-up land use.

Villaviciosa is a municipality comprising 8 barangays, and serves as the governing unit directly responsible for local services in Barangay Tamac, 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 Tamac ranks 150th 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 Tamac 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.