Barangay Pacpaco

Barangay Pacpaco forms part of City of San Fernando, a city in La Union, and is classified as a small barangay.

According to the 2020 Philippine census, Barangay Pacpaco had a population of 894. This made it the 40th largest of 59 barangays in City of San Fernando by population, placing it in the middle tier of the city. Residents of Barangay Pacpaco accounted for approximately 0.71% of the total population of City of San Fernando, which stood at 125,640 in the same census year.

Census comparisons between 2015 and 2020 show Barangay Pacpaco moving from 931 residents to 894 residents, an intercensal change of -4.0%. The trajectory indicates a contracting community. Barangay Pacpaco is officially classified as rural, a designation applied to barangays with lower population density and predominantly non-built-up land use.

City of San Fernando is a city comprising 59 barangays, and serves as the governing unit directly responsible for local services in Barangay Pacpaco, including public health, sanitation, peace and order, and civil registration. Within the wider province of La Union, which contains 576 barangays across its component cities and municipalities, Barangay Pacpaco ranks 406th by 2020 population. La Union is classified as a 1st by the Bureau of Local Government Finance, a category that reflects the province's annual regular income.

Like every Philippine barangay, Barangay Pacpaco is led by an elected Punong Barangay (barangay captain) supported by seven Sangguniang Barangay members (kagawads), an SK Chairperson, a Barangay Secretary, and a Barangay Treasurer. The next Barangay and Sangguniang Kabataan Elections (BSKE) are scheduled for Monday, November 2, 2026, with officials serving four-year terms under Republic Act No. 12232.