Barangay San Isidro Norte

Classified as a small barangay, Barangay San Isidro Norte is one of the administrative divisions of Luna in Apayao, CAR, Philippines.

According to the 2020 Philippine census, Barangay San Isidro Norte had a population of 833. This made it the 11th largest of 22 barangays in Luna by population, placing it in the middle tier of the municipality. Residents of Barangay San Isidro Norte accounted for approximately 3.91% of the total population of Luna, which stood at 21,297 in the same census year.

The barangay recorded 759 residents in the 2015 intercensal count and 833 residents in the 2020 Census — a net change of +9.7%, consistent with a growing settlement. Barangay San Isidro Norte is officially classified as rural, a designation applied to barangays with lower population density and predominantly non-built-up land use.

Luna is a municipality comprising 22 barangays, and serves as the governing unit directly responsible for local services in Barangay San Isidro Norte, including public health, sanitation, peace and order, and civil registration. Within the wider province of Apayao, which contains 133 barangays across its component cities and municipalities, Barangay San Isidro Norte ranks 63rd by 2020 population. Apayao is classified as a 3rd 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.