Barangay San Isidro

Barangay San Isidro forms part of Bula, a municipality in Camarines Sur, and is classified as a small barangay.

According to the 2020 Census of Population and Housing conducted by the Philippine Statistics Authority, Barangay San Isidro had a population of 1,746. This made it the 19th largest of 33 barangays in Bula by population, placing it in the middle tier of the municipality. Residents of Barangay San Isidro accounted for approximately 2.39% of the total population of Bula, which stood at 73,143 in the same census year.

The barangay recorded 1,562 residents in the 2015 intercensal count and 1,746 residents in the 2020 Census — a net change of +11.8%, consistent with a growing settlement. The Philippine Statistics Authority classifies Barangay San Isidro as rural, a designation applied to barangays with lower population density and predominantly non-built-up land use.

Bula is a municipality comprising 33 barangays, and serves as the governing unit directly responsible for local services in Barangay San Isidro, including public health, sanitation, peace and order, and civil registration. Within the wider province of Camarines Sur, which contains 1,063 barangays across its component cities and municipalities, Barangay San Isidro ranks 431st by 2020 population. Camarines Sur 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 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.