Barangay Domingo Alarcio

Classified as a small barangay, Barangay Domingo Alarcio is one of the administrative divisions of Laoac in Pangasinan, Ilocos Region, Philippines.

According to the 2020 Census of Population and Housing conducted by the Philippine Statistics Authority, Barangay Domingo Alarcio had a population of 1,390. This made it the 13th largest of 22 barangays in Laoac by population, placing it in the middle tier of the municipality. Residents of Barangay Domingo Alarcio accounted for approximately 4.07% of the total population of Laoac, which stood at 34,128 in the same census year.

Between the 2015 and 2020 censuses, the population of Barangay Domingo Alarcio changed from 1,361 to 1,390, a shift of +2.1% over the five-year period. This places the barangay among those with growing populations in Laoac. The Philippine Statistics Authority classifies Barangay Domingo Alarcio as rural, a designation applied to barangays with lower population density and predominantly non-built-up land use.

Laoac is a municipality comprising 22 barangays, and serves as the governing unit directly responsible for local services in Barangay Domingo Alarcio, including public health, sanitation, peace and order, and civil registration. Within the wider province of Pangasinan, which contains 1,364 barangays across its component cities and municipalities, Barangay Domingo Alarcio ranks 950th by 2020 population. Pangasinan 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.