Barangay Ud-udiao

Situated in Sallapadan, Abra, Barangay Ud-udiao is one of 9 barangays that make up the municipality within CAR.

According to the 2020 Census of Population and Housing conducted by the Philippine Statistics Authority, Barangay Ud-udiao had a population of 516. This made it the 7th largest of 9 barangays in Sallapadan by population, placing it in the middle tier of the municipality. Residents of Barangay Ud-udiao accounted for approximately 8.08% of the total population of Sallapadan, which stood at 6,389 in the same census year.

Between the 2015 and 2020 censuses, the population of Barangay Ud-udiao changed from 535 to 516, a shift of -3.6% over the five-year period. This places the barangay among those with contracting populations in Sallapadan. The Philippine Statistics Authority classifies Barangay Ud-udiao as rural, a designation applied to barangays with lower population density and predominantly non-built-up land use.

Sallapadan is a municipality comprising 9 barangays, and serves as the governing unit directly responsible for local services in Barangay Ud-udiao, 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 Ud-udiao ranks 201st 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 Ud-udiao 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.