Barangay San Isidro

Classified as a small barangay, Barangay San Isidro is one of the administrative divisions of Nabunturan in Davao De Oro, Davao Region, Philippines.

According to the 2020 Census of Population and Housing conducted by the Philippine Statistics Authority, Barangay San Isidro had a population of 1,129. This made it the 24th largest of 28 barangays in Nabunturan by population, placing it among the smaller barangays of the municipality. Residents of Barangay San Isidro accounted for approximately 1.34% of the total population of Nabunturan, which stood at 84,340 in the same census year.

Census comparisons between 2015 and 2020 show Barangay San Isidro moving from 1,263 residents to 1,129 residents, an intercensal change of -10.6%. The trajectory indicates a contracting community. 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.

Nabunturan is a municipality comprising 28 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 Davao De Oro, which contains 237 barangays across its component cities and municipalities, Barangay San Isidro ranks 193rd by 2020 population. Davao De Oro 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.