Barangay Dulacac

Classified as a small barangay, Barangay Dulacac is one of the administrative divisions of City of Alaminos in Pangasinan, Ilocos Region, Philippines.

According to the 2020 Philippine census, Barangay Dulacac had a population of 1,575. This made it the 31st largest of 39 barangays in City of Alaminos by population, placing it among the smaller barangays of the city. Residents of Barangay Dulacac accounted for approximately 1.58% of the total population of City of Alaminos, which stood at 99,397 in the same census year.

Between the 2015 and 2020 censuses, the population of Barangay Dulacac changed from 1,293 to 1,575, a shift of +21.8% over the five-year period. This places the barangay among those with growing populations in City of Alaminos. Barangay Dulacac is officially classified as rural, a designation applied to barangays with lower population density and predominantly non-built-up land use.

City of Alaminos is a city comprising 39 barangays, and serves as the governing unit directly responsible for local services in Barangay Dulacac, 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 Dulacac ranks 843rd 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.