Barangay Pajo San Isidro

Barangay Pajo San Isidro forms part of Virac, a municipality in Catanduanes, and is classified as a small barangay.

According to the 2020 Philippine census, Barangay Pajo San Isidro had a population of 1,205. This made it the 22nd largest of 63 barangays in Virac by population, placing it in the middle tier of the municipality. Residents of Barangay Pajo San Isidro accounted for approximately 1.57% of the total population of Virac, which stood at 76,520 in the same census year.

The barangay recorded 1,208 residents in the 2015 intercensal count and 1,205 residents in the 2020 Census — a net change of -0.2%, consistent with a broadly stable settlement. Barangay Pajo San Isidro is officially classified as rural, a designation applied to barangays with lower population density and predominantly non-built-up land use.

Virac is a municipality comprising 63 barangays, and serves as the governing unit directly responsible for local services in Barangay Pajo San Isidro, including public health, sanitation, peace and order, and civil registration. Within the wider province of Catanduanes, which contains 315 barangays across its component cities and municipalities, Barangay Pajo San Isidro ranks 58th by 2020 population. Catanduanes is classified as a 3rd by the Bureau of Local Government Finance, a category that reflects the province's annual regular income.

Like every Philippine barangay, Barangay Pajo San Isidro 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.