Barangay San Isidro

Classified as a small barangay, Barangay San Isidro is one of the administrative divisions of Lupon in Davao Oriental, 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 1,757. This made it the 15th largest of 21 barangays in Lupon by population, placing it in the middle tier of the municipality. Residents of Barangay San Isidro accounted for approximately 2.62% of the total population of Lupon, which stood at 66,979 in the same census year.

Census comparisons between 2015 and 2020 show Barangay San Isidro moving from 1,593 residents to 1,757 residents, an intercensal change of +10.3%. The trajectory indicates a growing 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.

Lupon is a municipality comprising 21 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 Oriental, which contains 183 barangays across its component cities and municipalities, Barangay San Isidro ranks 118th by 2020 population. Davao Oriental is classified as a 1st by the Bureau of Local Government Finance, a category that reflects the province's annual regular income.

The barangay's legislative and executive affairs are handled by a Punong Barangay and the Sangguniang Barangay, elected nationwide during the Barangay and SK Elections. The next BSKE is scheduled for Monday, November 2, 2026, following the synchronized election schedule set by COMELEC Resolution No. 11191.