Barangay Longos-Amangonan-Parac-Parac Fabrica

Barangay Longos-Amangonan-Parac-Parac Fabrica is a mid-sized barangay in the municipality of San Fabian, located in the province of Pangasinan, in the Ilocos Region region of the Philippines.

According to the 2020 Philippine census, Barangay Longos-Amangonan-Parac-Parac Fabrica had a population of 2,820. This made it the 14th largest of 34 barangays in San Fabian by population, placing it in the middle tier of the municipality. Residents of Barangay Longos-Amangonan-Parac-Parac Fabrica accounted for approximately 3.23% of the total population of San Fabian, which stood at 87,428 in the same census year.

Census comparisons between 2015 and 2020 show Barangay Longos-Amangonan-Parac-Parac Fabrica moving from 2,602 residents to 2,820 residents, an intercensal change of +8.4%. The trajectory indicates a growing community. Barangay Longos-Amangonan-Parac-Parac Fabrica is officially classified as rural, a designation applied to barangays with lower population density and predominantly non-built-up land use.

San Fabian is a municipality comprising 34 barangays, and serves as the governing unit directly responsible for local services in Barangay Longos-Amangonan-Parac-Parac Fabrica, 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 Longos-Amangonan-Parac-Parac Fabrica ranks 356th 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.