Barangay Santa Isabel

Classified as a very small barangay, Barangay Santa Isabel is one of the administrative divisions of Bato in Catanduanes, Bicol Region, Philippines.

According to the 2020 Census of Population and Housing conducted by the Philippine Statistics Authority, Barangay Santa Isabel had a population of 147. This made it the 27th largest of 27 barangays in Bato by population, placing it among the smaller barangays of the municipality. Residents of Barangay Santa Isabel accounted for approximately 0.68% of the total population of Bato, which stood at 21,748 in the same census year.

The barangay recorded 124 residents in the 2015 intercensal count and 147 residents in the 2020 Census — a net change of +18.5%, consistent with a growing settlement. The Philippine Statistics Authority classifies Barangay Santa Isabel as rural, a designation applied to barangays with lower population density and predominantly non-built-up land use.

Bato is a municipality comprising 27 barangays, and serves as the governing unit directly responsible for local services in Barangay Santa Isabel, 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 Santa Isabel ranks 311th 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 Santa Isabel 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.