Barangay Pacac

Situated in Allacapan, Cagayan, Barangay Pacac is one of 27 barangays that make up the municipality within Cagayan Valley.

According to the 2020 Philippine census, Barangay Pacac had a population of 926. This made it the 19th largest of 27 barangays in Allacapan by population, placing it in the middle tier of the municipality. Residents of Barangay Pacac accounted for approximately 2.63% of the total population of Allacapan, which stood at 35,234 in the same census year.

The barangay recorded 851 residents in the 2015 intercensal count and 926 residents in the 2020 Census — a net change of +8.8%, consistent with a growing settlement. Barangay Pacac is officially classified as rural, a designation applied to barangays with lower population density and predominantly non-built-up land use.

Allacapan is a municipality comprising 27 barangays, and serves as the governing unit directly responsible for local services in Barangay Pacac, including public health, sanitation, peace and order, and civil registration. Within the wider province of Cagayan, which contains 820 barangays across its component cities and municipalities, Barangay Pacac ranks 542nd by 2020 population. Cagayan 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 Pacac 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.