Barangay San Isidro

Classified as a very small barangay, Barangay San Isidro is one of the administrative divisions of Dolores in Eastern Samar, Eastern Visayas, Philippines.

According to the 2020 Census of Population and Housing conducted by the Philippine Statistics Authority, Barangay San Isidro had a population of 479. This made it the 37th largest of 46 barangays in Dolores by population, placing it among the smaller barangays of the municipality. Residents of Barangay San Isidro accounted for approximately 1.07% of the total population of Dolores, which stood at 44,626 in the same census year.

Census comparisons between 2015 and 2020 show Barangay San Isidro moving from 433 residents to 479 residents, an intercensal change of +10.6%. 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.

Dolores is a municipality comprising 46 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 Eastern Samar, which contains 597 barangays across its component cities and municipalities, Barangay San Isidro ranks 370th by 2020 population. Eastern Samar is classified as a 2nd by the Bureau of Local Government Finance, a category that reflects the province's annual regular income.

Barangay San Isidro is governed by an elected Sangguniang Barangay composed of a Punong Barangay and seven kagawads, with the Sangguniang Kabataan representing the youth. The next BSKE, set for Monday, November 2, 2026, will elect officials to four-year terms as provided under Republic Act No. 12232.