Barangay Poblacion Zone I

Situated in San Quintin, Pangasinan, Barangay Poblacion Zone I is one of 21 barangays that make up the municipality within Ilocos Region.

According to the 2020 Philippine census, Barangay Poblacion Zone I had a population of 493. This made it the 19th largest of 21 barangays in San Quintin by population, placing it among the smaller barangays of the municipality. Residents of Barangay Poblacion Zone I accounted for approximately 1.45% of the total population of San Quintin, which stood at 33,980 in the same census year.

Census comparisons between 2015 and 2020 show Barangay Poblacion Zone I moving from 586 residents to 493 residents, an intercensal change of -15.9%. The trajectory indicates a contracting community. Barangay Poblacion Zone I is officially classified as rural, a designation applied to barangays with lower population density and predominantly non-built-up land use.

San Quintin is a municipality comprising 21 barangays, and serves as the governing unit directly responsible for local services in Barangay Poblacion Zone I, 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 Poblacion Zone I ranks 1339th 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.

Barangay Poblacion Zone I 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.