Barangay San Isidro

Barangay San Isidro forms part of Placer, a municipality in Surigao Del Norte, and is classified as a small barangay.

According to the 2020 Philippine census, Barangay San Isidro had a population of 553. This made it the 19th largest of 20 barangays in Placer by population, placing it among the smaller barangays of the municipality. Residents of Barangay San Isidro accounted for approximately 1.87% of the total population of Placer, which stood at 29,616 in the same census year.

Census comparisons between 2015 and 2020 show Barangay San Isidro moving from 552 residents to 553 residents, an intercensal change of +0.2%. The trajectory indicates a slowly expanding community. Barangay San Isidro is officially classified as rural, a designation applied to barangays with lower population density and predominantly non-built-up land use.

Placer is a municipality comprising 20 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 Surigao Del Norte, which contains 335 barangays across its component cities and municipalities, Barangay San Isidro ranks 260th by 2020 population. Surigao Del Norte is classified as a 2nd 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.